When Harmonix (the makers of Rock Band and Dance Central) first announced it was creating a brand new iOS app, I was looking forward to a brand new music game of some kind. But the company surprised us all with VidRhythm, now available on the App Store for US$1.99. It's not really a game, really; it's a casual (and fun) remixing tool and music video maker. The game has a bunch of tracks (mostly original, though there are a few classical songs in the mix as well) that are assembled out of little hits of sound, everything from bass drums and high-hat hits to various other beats and samples. Your job as the music video maker is to replace those samples with your own audio and video. The app tells you exactly what to do (like "say Bom"), an
