gmusicbrowser An open-source jukebox for large collections of mp3, ogg, flac, mpc, ape files

main features

• made with big (> 10,000 songs) libraries in mind (originaly developed with over 17000 songs on a duron800, v1.1.x with over 25000 songs on a core2duo 1.86GHz)
• customizable window layouts (see layouts documentation)
• powerful browser which doesn't interfere with the playlist
• artist/album lock : easily restrict playlist to current artist/album
• easy access to songs related to the currently playing song
• songs from the same album
• album(s) from the same artist(s)
• songs with same title (other versions, covers, ...)
• support ogg vorbis, mp3 and flac files (and mpc/ape with gstreamer or mplayer)
• simple mass-tagging and mass-renaming
• tray icon, with a very customizable tip window, which can be used to control the player
• very customizable SongTree widget for a pretty list of songs (example)
• fully featured tag editor (support all id3 versions, limited support for APE & lyrics3 tags)
• support multiple genres for a song
• support multiple artists for each song by separating them with ', ' or ' & '
• customizable labels can be set for each song
• filter history in the browser window
• filters with unlimited nesting of conditions
• customizable weighted random mode (based on rating, last time played, label, ...)
• The possibility to act as a icecast server, to listen to your music remotely (experimental)
• plugin system, included plugins : nowplaying (to update an external program when the playing song changes), last.fm, find pictures, simple lyrics, WebContext : use the mozilla/webkit engine to display wikipedia artist page and search lyrics with google

Download and install :
http://gmusicbrowser.org/download.html