"While proprietary OSs have been blessed by an onslaught of competing audio players, the Free Software world has remained relatively stagnant since XMMS was released in 1997. Recently, however, there has been a lot of development work surrounding Free Software media players. I ran across several audio programs worth looking into, including mpd, muine, and musikcube, but the most promising program I found is Rhythmbox.
"Many of us have large digital music collections, and Free Software's most popular media player, XMMS, along with its relatives, are ineffective tools for dealing with larger libraries. Hunting through a directory hierarchy to find all versions of Sunny Side of the Street on your computer can be an excruciatingly tedious task..."