Rhythmbox is a free and open-source digital audio player and music library application for Linux, Unix, and Windows operating systems. It is designed to play and organize digital music, both purchased and streamed, as well as podcasts and internet radio. It supports many popular audio formats, including MP3, Ogg, FLAC, and WMA. It can burn audio CDs, as well as sync with iPods and other portable music players. It also features a plugin framework, allowing users to extend the application to add features such as audio effects, visualizations, tag editing, podcast support, and more. Rhythmbox is part of the GNOME desktop environment and is a popular choice for Linux users.
Foobar is fiendishly difficult to customize in any semblance of logical order and has many strange behaviors. Rhythmbox is basically dead simple