Looks nice. But why a backup utility and music file conversion utility in one? They seem like different tasks. (Or, am I missing something?)
Well, I don't know if they need to reside as one monolithic app (and I don't know how monolithic this really is, if it's relying on standard libraries), but I can think of one very good reason -- managing transfer/sync of your music collection to a standard CF/SD or USB Mass Storage-based player.