MP3PlayerPlugin v2.2 is released. MP3PlayerPlugin is a plugin for PSP. It's a nifty app that allows you to listen to your favorite tracks while on game mode. The plugin is compatible with CFW 5.00 M33, 5.03HEN, 5.50GEN, 6.20TN und 6.35 PRO.

MP3PlayerPlugin v2.2 Changlog:
- Improved stability
- Fixed minor bugs
- Now the plugin does not need. Ini file to start

Download: MP3PlayerPlugin v2.2
Source: Here