Add support for the new game music formats AY, GBS, HES, KSS, SGC, VGM and VGZ.

Um. Holy crap? The latest Rockbox release supports several more videogame music formats.
What that means? Whole soundtracks on your portable player that take up only kilobytes of space.

Awesome.

Rockbox (http://www.rockbox.org/wiki/ReleaseNotes310)