Songbird is a opensource music player that utilizes the cross platform frameworks and will runs in Linux, Apple, Solaris & Windows.
You can get it downloaded for free from here
Linux System Requirements :
Download the package and extract it.
tar -xzf Songbird_1.4.3-1438_linux-i686.tar.gz (replace with appropriate version)
Accept the Terms & Conditions and the installation begins.
Songbird has a cool user interface with lots of control options. It can sync with major music edition cell phones. Add a song or build a playlist, and Songbird automatically syncs it to your phone or MP3 player, so you’re never without your favorite music.