OooPlayer is a free open-source music and radio player, licenced under the terms of GPLv2. Source code is available for everyone to download, inspect and improve further.
OooPlayer can play almost all audio formats. It has thousands of built-in online radio stations. It can download lyrics and display cover art as you listen . Interface can be customized with skins.
OooPlayer is developed with performance in mind. While it plays your music or your favourite radio station, it will not interfere with your work.