irrKlang currently plays back the following file formats:

* RIFF WAVE (*.wav)
* Ogg Vorbis (*.ogg)
* MPEG-1 Audio Layer 3 (*.mp3)[2]
* Amiga Modules (*.mod)
* Impulse Tracker (*.it)
* Scream Tracker 3 (*.s3d)
* Fast Tracker 2 (*.xm)

In addition, it is easily possible to extend the playable file formats using plugins. If you need irrKlang to playback a file format it doesn't support yet, just contact us and we can add it for you.

http://www.ambiera.com/irrklang/features.html#formats

Very easy library from the author of 3D engine Irrlicht. It has free non commercial and commercial licenses. Downloaded, added and playing ogg files for 3minutes.