diff --git a/SPEC.md b/SPEC.md
index f172113..878cbc7 100644
--- a/SPEC.md
+++ b/SPEC.md
@@ -300,6 +300,7 @@ type StoryBlock =
 	| Definition
 	| InfoBox
 	| InfoPair
+	| AudioPlayer
 ```
 
 `StoryBlock` nodes are things that can be inserted into an article body.
@@ -859,9 +860,59 @@ interface InfoPair extends Parent {
 }
 ```
 
+### AudioPlayer
 
+```ts
+type AudioPlayer = AudioPlayerV1 | AudioPlayerV2 | AudioPlayerV3
 
+/** 
+ * @sparkGenerateStoryblock true
+ * @support deprecated 
+ */
+interface AudioPlayerV1 extends Node {
+	type: "audio-player"
+	version: 1
+	title: string
+	audioUrl: string
+}
 
+/** 
+ * @sparkGenerateStoryblock true
+ * @sparkInsert true
+ * @support supported 
+ */
+interface AudioPlayerV2 extends Node {
+	type: "audio-player"
+	version: 2
+	title: string
+	audioId: string
+	external audio: AudioSet
+}
 
+/** 
+ * @sparkGenerateStoryblock true
+ * @support prerelease 
+ */
+interface AudioPlayerV3 extends Node {
+	type: "audio-player"
+	version: 3
+	title: string
+	audioId: string
+	transcriptionId: string
+	external audio: AudioSet
+	external transcription: Transcription
+}
+```
 
+```ts
+/**
+ * Demo placeholders so the AudioPlayer versioning example compiles.
+ */
+interface AudioSet extends Node {
+	url: string
+}
 
+interface Transcription extends Node {
+	text: string
+}
+```
diff --git a/build.bash b/build.bash
index f8e3fe3..4a7327d 100755
--- a/build.bash
+++ b/build.bash
@@ -1,8 +1,8 @@
 #!/bin/bash
 node tools/maketypes <SPEC.md> content-tree.ts
 tsc -d content-tree.ts
-typescript-json-schema --noExtraProps --required content-tree.ts ContentTree.full.Root > schemas/content-tree.schema.json
-typescript-json-schema --noExtraProps --required content-tree.ts ContentTree.transit.Root > schemas/transit-tree.schema.json
-typescript-json-schema --noExtraProps --required content-tree.ts ContentTree.transit.Body > schemas/body-tree.schema.json
+typescript-json-schema --validationKeywords support sparkGenerateStoryblock --noExtraProps --required content-tree.ts ContentTree.full.Root > schemas/content-tree.schema.json
+typescript-json-schema --validationKeywords support sparkGenerateStoryblock --noExtraProps --required content-tree.ts ContentTree.transit.Root > schemas/transit-tree.schema.json
+typescript-json-schema --validationKeywords support sparkGenerateStoryblock --noExtraProps --required content-tree.ts ContentTree.transit.Body > schemas/body-tree.schema.json
 rm content-tree.ts
 rm content-tree.js
diff --git a/content-tree.d.ts b/content-tree.d.ts
index 9e3c4b1..f9944ef 100644
--- a/content-tree.d.ts
+++ b/content-tree.d.ts
@@ -76,7 +76,7 @@ export declare namespace ContentTree {
         type: "blockquote";
         children: (Paragraph | Phrasing)[];
     }
-    type StoryBlock = ImageSet | Flourish | BigNumber | CustomCodeComponent | Layout | Pullquote | ScrollyBlock | Table | Recommended | RecommendedList | Tweet | Video | YoutubeVideo | Timeline | ImagePair | InNumbers | Definition | InfoBox | InfoPair;
+    type StoryBlock = ImageSet | Flourish | BigNumber | CustomCodeComponent | Layout | Pullquote | ScrollyBlock | Table | Recommended | RecommendedList | Tweet | Video | YoutubeVideo | Timeline | ImagePair | InNumbers | Definition | InfoBox | InfoPair | AudioPlayer;
     interface Pullquote extends Node {
         type: "pullquote";
         text: string;
@@ -366,6 +366,51 @@ export declare namespace ContentTree {
         title?: string;
         children: [Card, Card];
     }
+    type AudioPlayer = AudioPlayerV1 | AudioPlayerV2 | AudioPlayerV3;
+    /**
+     * @sparkGenerateStoryblock true
+     * @support deprecated
+     */
+    interface AudioPlayerV1 extends Node {
+        type: "audio-player";
+        version: 1;
+        title: string;
+        audioUrl: string;
+    }
+    /**
+     * @sparkGenerateStoryblock true
+     * @sparkInsert true
+     * @support supported
+     */
+    interface AudioPlayerV2 extends Node {
+        type: "audio-player";
+        version: 2;
+        title: string;
+        audioId: string;
+        audio: AudioSet;
+    }
+    /**
+     * @sparkGenerateStoryblock true
+     * @support prerelease
+     */
+    interface AudioPlayerV3 extends Node {
+        type: "audio-player";
+        version: 3;
+        title: string;
+        audioId: string;
+        transcriptionId: string;
+        audio: AudioSet;
+        transcription: Transcription;
+    }
+    /**
+     * Demo placeholders so the AudioPlayer versioning example compiles.
+     */
+    interface AudioSet extends Node {
+        url: string;
+    }
+    interface Transcription extends Node {
+        text: string;
+    }
     namespace full {
         type LayoutWidth = "auto" | "in-line" | "inset-left" | "inset-right" | "full-bleed" | "full-grid" | "mid-grid" | "full-width";
         interface Node {
@@ -444,7 +489,7 @@ export declare namespace ContentTree {
             type: "blockquote";
             children: (Paragraph | Phrasing)[];
         }
-        type StoryBlock = ImageSet | Flourish | BigNumber | CustomCodeComponent | Layout | Pullquote | ScrollyBlock | Table | Recommended | RecommendedList | Tweet | Video | YoutubeVideo | Timeline | ImagePair | InNumbers | Definition | InfoBox | InfoPair;
+        type StoryBlock = ImageSet | Flourish | BigNumber | CustomCodeComponent | Layout | Pullquote | ScrollyBlock | Table | Recommended | RecommendedList | Tweet | Video | YoutubeVideo | Timeline | ImagePair | InNumbers | Definition | InfoBox | InfoPair | AudioPlayer;
         interface Pullquote extends Node {
             type: "pullquote";
             text: string;
@@ -734,6 +779,51 @@ export declare namespace ContentTree {
             title?: string;
             children: [Card, Card];
         }
+        type AudioPlayer = AudioPlayerV1 | AudioPlayerV2 | AudioPlayerV3;
+        /**
+         * @sparkGenerateStoryblock true
+         * @support deprecated
+         */
+        interface AudioPlayerV1 extends Node {
+            type: "audio-player";
+            version: 1;
+            title: string;
+            audioUrl: string;
+        }
+        /**
+         * @sparkGenerateStoryblock true
+         * @sparkInsert true
+         * @support supported
+         */
+        interface AudioPlayerV2 extends Node {
+            type: "audio-player";
+            version: 2;
+            title: string;
+            audioId: string;
+            audio: AudioSet;
+        }
+        /**
+         * @sparkGenerateStoryblock true
+         * @support prerelease
+         */
+        interface AudioPlayerV3 extends Node {
+            type: "audio-player";
+            version: 3;
+            title: string;
+            audioId: string;
+            transcriptionId: string;
+            audio: AudioSet;
+            transcription: Transcription;
+        }
+        /**
+         * Demo placeholders so the AudioPlayer versioning example compiles.
+         */
+        interface AudioSet extends Node {
+            url: string;
+        }
+        interface Transcription extends Node {
+            text: string;
+        }
     }
     namespace transit {
         type LayoutWidth = "auto" | "in-line" | "inset-left" | "inset-right" | "full-bleed" | "full-grid" | "mid-grid" | "full-width";
@@ -813,7 +903,7 @@ export declare namespace ContentTree {
             type: "blockquote";
             children: (Paragraph | Phrasing)[];
         }
-        type StoryBlock = ImageSet | Flourish | BigNumber | CustomCodeComponent | Layout | Pullquote | ScrollyBlock | Table | Recommended | RecommendedList | Tweet | Video | YoutubeVideo | Timeline | ImagePair | InNumbers | Definition | InfoBox | InfoPair;
+        type StoryBlock = ImageSet | Flourish | BigNumber | CustomCodeComponent | Layout | Pullquote | ScrollyBlock | Table | Recommended | RecommendedList | Tweet | Video | YoutubeVideo | Timeline | ImagePair | InNumbers | Definition | InfoBox | InfoPair | AudioPlayer;
         interface Pullquote extends Node {
             type: "pullquote";
             text: string;
@@ -1088,6 +1178,48 @@ export declare namespace ContentTree {
             title?: string;
             children: [Card, Card];
         }
+        type AudioPlayer = AudioPlayerV1 | AudioPlayerV2 | AudioPlayerV3;
+        /**
+         * @sparkGenerateStoryblock true
+         * @support deprecated
+         */
+        interface AudioPlayerV1 extends Node {
+            type: "audio-player";
+            version: 1;
+            title: string;
+            audioUrl: string;
+        }
+        /**
+         * @sparkGenerateStoryblock true
+         * @sparkInsert true
+         * @support supported
+         */
+        interface AudioPlayerV2 extends Node {
+            type: "audio-player";
+            version: 2;
+            title: string;
+            audioId: string;
+        }
+        /**
+         * @sparkGenerateStoryblock true
+         * @support prerelease
+         */
+        interface AudioPlayerV3 extends Node {
+            type: "audio-player";
+            version: 3;
+            title: string;
+            audioId: string;
+            transcriptionId: string;
+        }
+        /**
+         * Demo placeholders so the AudioPlayer versioning example compiles.
+         */
+        interface AudioSet extends Node {
+            url: string;
+        }
+        interface Transcription extends Node {
+            text: string;
+        }
     }
     namespace loose {
         type LayoutWidth = "auto" | "in-line" | "inset-left" | "inset-right" | "full-bleed" | "full-grid" | "mid-grid" | "full-width";
@@ -1167,7 +1299,7 @@ export declare namespace ContentTree {
             type: "blockquote";
             children: (Paragraph | Phrasing)[];
         }
-        type StoryBlock = ImageSet | Flourish | BigNumber | CustomCodeComponent | Layout | Pullquote | ScrollyBlock | Table | Recommended | RecommendedList | Tweet | Video | YoutubeVideo | Timeline | ImagePair | InNumbers | Definition | InfoBox | InfoPair;
+        type StoryBlock = ImageSet | Flourish | BigNumber | CustomCodeComponent | Layout | Pullquote | ScrollyBlock | Table | Recommended | RecommendedList | Tweet | Video | YoutubeVideo | Timeline | ImagePair | InNumbers | Definition | InfoBox | InfoPair | AudioPlayer;
         interface Pullquote extends Node {
             type: "pullquote";
             text: string;
@@ -1457,5 +1589,50 @@ export declare namespace ContentTree {
             title?: string;
             children: [Card, Card];
         }
+        type AudioPlayer = AudioPlayerV1 | AudioPlayerV2 | AudioPlayerV3;
+        /**
+         * @sparkGenerateStoryblock true
+         * @support deprecated
+         */
+        interface AudioPlayerV1 extends Node {
+            type: "audio-player";
+            version: 1;
+            title: string;
+            audioUrl: string;
+        }
+        /**
+         * @sparkGenerateStoryblock true
+         * @sparkInsert true
+         * @support supported
+         */
+        interface AudioPlayerV2 extends Node {
+            type: "audio-player";
+            version: 2;
+            title: string;
+            audioId: string;
+            audio?: AudioSet;
+        }
+        /**
+         * @sparkGenerateStoryblock true
+         * @support prerelease
+         */
+        interface AudioPlayerV3 extends Node {
+            type: "audio-player";
+            version: 3;
+            title: string;
+            audioId: string;
+            transcriptionId: string;
+            audio?: AudioSet;
+            transcription?: Transcription;
+        }
+        /**
+         * Demo placeholders so the AudioPlayer versioning example compiles.
+         */
+        interface AudioSet extends Node {
+            url: string;
+        }
+        interface Transcription extends Node {
+            text: string;
+        }
     }
 }
diff --git a/schemas/body-tree.schema.json b/schemas/body-tree.schema.json
index c4c67ba..2a5c2d0 100644
--- a/schemas/body-tree.schema.json
+++ b/schemas/body-tree.schema.json
@@ -2,6 +2,97 @@
     "$schema": "http://json-schema.org/draft-07/schema#",
     "additionalProperties": false,
     "definitions": {
+        "ContentTree.transit.AudioPlayerV1": {
+            "additionalProperties": false,
+            "properties": {
+                "audioUrl": {
+                    "type": "string"
+                },
+                "data": {},
+                "title": {
+                    "type": "string"
+                },
+                "type": {
+                    "const": "audio-player",
+                    "type": "string"
+                },
+                "version": {
+                    "const": 1,
+                    "type": "number"
+                }
+            },
+            "required": [
+                "audioUrl",
+                "title",
+                "type",
+                "version"
+            ],
+            "sparkGenerateStoryblock": true,
+            "support": "deprecated",
+            "type": "object"
+        },
+        "ContentTree.transit.AudioPlayerV2": {
+            "additionalProperties": false,
+            "properties": {
+                "audioId": {
+                    "type": "string"
+                },
+                "data": {},
+                "title": {
+                    "type": "string"
+                },
+                "type": {
+                    "const": "audio-player",
+                    "type": "string"
+                },
+                "version": {
+                    "const": 2,
+                    "type": "number"
+                }
+            },
+            "required": [
+                "audioId",
+                "title",
+                "type",
+                "version"
+            ],
+            "sparkGenerateStoryblock": true,
+            "support": "supported",
+            "type": "object"
+        },
+        "ContentTree.transit.AudioPlayerV3": {
+            "additionalProperties": false,
+            "properties": {
+                "audioId": {
+                    "type": "string"
+                },
+                "data": {},
+                "title": {
+                    "type": "string"
+                },
+                "transcriptionId": {
+                    "type": "string"
+                },
+                "type": {
+                    "const": "audio-player",
+                    "type": "string"
+                },
+                "version": {
+                    "const": 3,
+                    "type": "number"
+                }
+            },
+            "required": [
+                "audioId",
+                "title",
+                "transcriptionId",
+                "type",
+                "version"
+            ],
+            "sparkGenerateStoryblock": true,
+            "support": "prerelease",
+            "type": "object"
+        },
         "ContentTree.transit.BigNumber": {
             "additionalProperties": false,
             "properties": {
@@ -146,6 +237,15 @@
                 },
                 {
                     "$ref": "#/definitions/ContentTree.transit.InfoPair"
+                },
+                {
+                    "$ref": "#/definitions/ContentTree.transit.AudioPlayerV1"
+                },
+                {
+                    "$ref": "#/definitions/ContentTree.transit.AudioPlayerV2"
+                },
+                {
+                    "$ref": "#/definitions/ContentTree.transit.AudioPlayerV3"
                 }
             ]
         },
diff --git a/schemas/content-tree.schema.json b/schemas/content-tree.schema.json
index b9d165c..17cc477 100644
--- a/schemas/content-tree.schema.json
+++ b/schemas/content-tree.schema.json
@@ -2,6 +2,127 @@
     "$schema": "http://json-schema.org/draft-07/schema#",
     "additionalProperties": false,
     "definitions": {
+        "ContentTree.full.AudioPlayerV1": {
+            "additionalProperties": false,
+            "properties": {
+                "audioUrl": {
+                    "type": "string"
+                },
+                "data": {},
+                "title": {
+                    "type": "string"
+                },
+                "type": {
+                    "const": "audio-player",
+                    "type": "string"
+                },
+                "version": {
+                    "const": 1,
+                    "type": "number"
+                }
+            },
+            "required": [
+                "audioUrl",
+                "title",
+                "type",
+                "version"
+            ],
+            "sparkGenerateStoryblock": true,
+            "support": "deprecated",
+            "type": "object"
+        },
+        "ContentTree.full.AudioPlayerV2": {
+            "additionalProperties": false,
+            "properties": {
+                "audio": {
+                    "$ref": "#/definitions/ContentTree.full.AudioSet"
+                },
+                "audioId": {
+                    "type": "string"
+                },
+                "data": {},
+                "title": {
+                    "type": "string"
+                },
+                "type": {
+                    "const": "audio-player",
+                    "type": "string"
+                },
+                "version": {
+                    "const": 2,
+                    "type": "number"
+                }
+            },
+            "required": [
+                "audio",
+                "audioId",
+                "title",
+                "type",
+                "version"
+            ],
+            "sparkGenerateStoryblock": true,
+            "support": "supported",
+            "type": "object"
+        },
+        "ContentTree.full.AudioPlayerV3": {
+            "additionalProperties": false,
+            "properties": {
+                "audio": {
+                    "$ref": "#/definitions/ContentTree.full.AudioSet"
+                },
+                "audioId": {
+                    "type": "string"
+                },
+                "data": {},
+                "title": {
+                    "type": "string"
+                },
+                "transcription": {
+                    "$ref": "#/definitions/ContentTree.full.Transcription"
+                },
+                "transcriptionId": {
+                    "type": "string"
+                },
+                "type": {
+                    "const": "audio-player",
+                    "type": "string"
+                },
+                "version": {
+                    "const": 3,
+                    "type": "number"
+                }
+            },
+            "required": [
+                "audio",
+                "audioId",
+                "title",
+                "transcription",
+                "transcriptionId",
+                "type",
+                "version"
+            ],
+            "sparkGenerateStoryblock": true,
+            "support": "prerelease",
+            "type": "object"
+        },
+        "ContentTree.full.AudioSet": {
+            "additionalProperties": false,
+            "description": "Demo placeholders so the AudioPlayer versioning example compiles.",
+            "properties": {
+                "data": {},
+                "type": {
+                    "type": "string"
+                },
+                "url": {
+                    "type": "string"
+                }
+            },
+            "required": [
+                "type",
+                "url"
+            ],
+            "type": "object"
+        },
         "ContentTree.full.BigNumber": {
             "additionalProperties": false,
             "properties": {
@@ -171,6 +292,15 @@
                 },
                 {
                     "$ref": "#/definitions/ContentTree.full.InfoPair"
+                },
+                {
+                    "$ref": "#/definitions/ContentTree.full.AudioPlayerV1"
+                },
+                {
+                    "$ref": "#/definitions/ContentTree.full.AudioPlayerV2"
+                },
+                {
+                    "$ref": "#/definitions/ContentTree.full.AudioPlayerV3"
                 }
             ]
         },
@@ -2223,6 +2353,23 @@
             ],
             "type": "object"
         },
+        "ContentTree.full.Transcription": {
+            "additionalProperties": false,
+            "properties": {
+                "data": {},
+                "text": {
+                    "type": "string"
+                },
+                "type": {
+                    "type": "string"
+                }
+            },
+            "required": [
+                "text",
+                "type"
+            ],
+            "type": "object"
+        },
         "ContentTree.full.Tweet": {
             "additionalProperties": false,
             "properties": {
diff --git a/schemas/transit-tree.schema.json b/schemas/transit-tree.schema.json
index 114cc59..d8e80d3 100644
--- a/schemas/transit-tree.schema.json
+++ b/schemas/transit-tree.schema.json
@@ -2,6 +2,97 @@
     "$schema": "http://json-schema.org/draft-07/schema#",
     "additionalProperties": false,
     "definitions": {
+        "ContentTree.transit.AudioPlayerV1": {
+            "additionalProperties": false,
+            "properties": {
+                "audioUrl": {
+                    "type": "string"
+                },
+                "data": {},
+                "title": {
+                    "type": "string"
+                },
+                "type": {
+                    "const": "audio-player",
+                    "type": "string"
+                },
+                "version": {
+                    "const": 1,
+                    "type": "number"
+                }
+            },
+            "required": [
+                "audioUrl",
+                "title",
+                "type",
+                "version"
+            ],
+            "sparkGenerateStoryblock": true,
+            "support": "deprecated",
+            "type": "object"
+        },
+        "ContentTree.transit.AudioPlayerV2": {
+            "additionalProperties": false,
+            "properties": {
+                "audioId": {
+                    "type": "string"
+                },
+                "data": {},
+                "title": {
+                    "type": "string"
+                },
+                "type": {
+                    "const": "audio-player",
+                    "type": "string"
+                },
+                "version": {
+                    "const": 2,
+                    "type": "number"
+                }
+            },
+            "required": [
+                "audioId",
+                "title",
+                "type",
+                "version"
+            ],
+            "sparkGenerateStoryblock": true,
+            "support": "supported",
+            "type": "object"
+        },
+        "ContentTree.transit.AudioPlayerV3": {
+            "additionalProperties": false,
+            "properties": {
+                "audioId": {
+                    "type": "string"
+                },
+                "data": {},
+                "title": {
+                    "type": "string"
+                },
+                "transcriptionId": {
+                    "type": "string"
+                },
+                "type": {
+                    "const": "audio-player",
+                    "type": "string"
+                },
+                "version": {
+                    "const": 3,
+                    "type": "number"
+                }
+            },
+            "required": [
+                "audioId",
+                "title",
+                "transcriptionId",
+                "type",
+                "version"
+            ],
+            "sparkGenerateStoryblock": true,
+            "support": "prerelease",
+            "type": "object"
+        },
         "ContentTree.transit.BigNumber": {
             "additionalProperties": false,
             "properties": {
@@ -171,6 +262,15 @@
                 },
                 {
                     "$ref": "#/definitions/ContentTree.transit.InfoPair"
+                },
+                {
+                    "$ref": "#/definitions/ContentTree.transit.AudioPlayerV1"
+                },
+                {
+                    "$ref": "#/definitions/ContentTree.transit.AudioPlayerV2"
+                },
+                {
+                    "$ref": "#/definitions/ContentTree.transit.AudioPlayerV3"
                 }
             ]
         },