When I predicted that we would see new kinds of music apps after the iPad launched, this wasn’t quite what I expected:
What is that link above? It is sheet music for the iPad. For $2.99, you can see the music for Für Elise. It also includes a PDF file that you can copy over to a PC or Mac to print.
For a dollar more ($3.99), you can buy the sheet music for:
This (adding an MP3 audio file) is a bit more interesting. But as with other print to electronic publication transitions, I object to tying a single piece of sheet music to an individual app. The publisher (Muzilbook Publishing) should create a sheet music app that allows in-app purchases of sheet music, its associated MP3 audio file, and the background of the piece.