Grizzled rocker? There's an app for that. Specifically Joey Kramer's Hit Hard iPhone app, who may be better known as the drummer from Aerosmith - or, he who isn't Steven Tyler.
It's kind of like Tub Thumper or even Tap Tap Revenge, though you could argue most rhythm games are too similar to distinguish between.
Hit Hard costs $2.49, and has five levels with easy, medium and hard settings. Tapping out the requisite beats per minute will "win" you audio messages from Kramer, who recorded all of the beats himself. Shame there's no "I Don't Want To Miss A Thing" to tap along to... [iTunes via Mashable]