MP3PlayerPlugin v1.9 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 v1.9 Changlog:
- Improved SYSCALL
- Supported the channel MUTE
- Changed access to kernel memory of the MP3 in order to ensure the list of file paths.

Download: MP3PlayerPlugin v1.9
Source: Here