Do you prefer listening to whole albums but aren't sure which one you're in the mood for?
This plugin for Rhythmbox queues a random album and plays it immediately.

Installing

Move the 'Rhythmbox-Random-Album-Player' directory to
~/.local/share/rhythmbox/plugins

Usage

From application menu, click 'Control' -> 'Random Album' to start up a random album.
You can also use the shortcut key Alt+R to start.

Enjoy!