Clementine is a modern music player and library organiser. Clementine is a port of Amarok 1.4, with some features rewritten to take advantage of Qt4.
Features
Search and play your local music library
Listen to internet radio from Last.fm, SomaFM and Magnatune
Tabbed playlists, import and export M3U, XSPF, PLS and ASX
Visualisations from projectM
Transcode music into MP3, Ogg Vorbis, Ogg Speex, FLAC or AAC
Edit tags on MP3 and OGG files, organise your music
Download missing album cover art from Last.fm
Cross-platform - works on Windows, Mac OS X and Linux
Native desktop notifications on Linux (libnotify) and Mac OS X (Growl)
Remote control using a Wii Remote, MPRIS or the command-line
Copy music to your iPod, iPhone, MTP or mass-storage USB player
Queue manager