Well then, I guess you don't need a music-app after all!
j/k
Ermm.. there is definitely a possibility to do some music-making apps on the Wiz .. probably enough beef for a few synths and effects and things .. but the point is: nobody seems to be terribly interested in doing this for the Wiz. I'd have a bash at it but I'm having far too much fun getting stuff running on my Touchbook in preparation for Pandora, and I will really be pushing hard to make the Pandora a nice music platform, that is for sure ..