The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From Fantasy Applications:
Ever wanted to play the drums? "Digital Live Drummer" is the closest you can get without a real kit. "Digital Live Drummer" has been featured by Apple."Digital Live Drummer" is the fastest and most realistic drum app in the App Store. It blends in cymbal sounds like a real kit, a feature that isn't available on any other drum app."Digital Live Drummer" been featured by Apple in iPod Touch Apple retail stores.You can play along to songs from selected rock music."Digital Live Drummer" is also the perfect app for cranking out that fill for the punchline for lame jokes. But it offers much, much more."If you are a drummer or constantly tapping on things, you may really enjoy this app"."Digital Live Drummer" is updated frequently, with new sounds, themes, and features.FEATURES: 6 piece kit (4 toms, snare, bass, hi-hat (open and closed), crash, ride, splash) Rock, Electronic, and Jazz themes Five different kits: Classic/Rock/Hip Hop/Techno/Dance and more coming soon! Repeated cymbal taps blend in like real cymbals Visual feedback when drum head is tapped Play multiple drum heads simultaneously Two player mode, play with your favorite one with "Digital Live Drummer"