Developer Drakon, of Lamecraft fame, showed up on the /talk forums recently to release VitaSound, a library to play .ogg and .wav files in your PS Vita applications.
VitaSound is for Homebrew developers out there who are still working on Native vita homebrew through the Rejuvenate hack. In order to use any Rejuvenate homebrew, you will need a PS Vita running firmware 3.51 or lower.
VitaSound is a simple library to stream .ogg or .wav files in your Vita homebrews. The developer mentions that the current version of the library has a bug preventing from streaming from RAM. Streaming from files however, works fine.