Pianist

A virtual piano for the iPhone/iPod Touch. By Mister Aardvark. Scroll down for more info/screenies.

Features:

• A complete four octave keyboard.
• Multi-touch. Up to 5 keys can be pressed at once allowing complex chords.
• Sounds like a real piano with realistic piano multi-samples.
• Animated piano keys react to your touch.
• Play along to all your MP3s.
• On-screen keyboard navigation allows you to easily move up and down by octaves or "part octaves" (ie. left-most key is a C or an F).

Visit MooCowMusic.com to see the dev's site.