From Alterme Inc :
This application is a virtual piano for the iPhone or iPod device. It also allows score editing and automatically generate sound file and music notation sheet.News: This app supports iPad natively with full width and height. You can use this application to compose music and email the generated sound file and music notation sheet. You can change Key signature, Tempo, Meter and edit title and some other description for the music score sheet. However, it only supports a uniform meter for a song. Music Composer is designed to be easy and simple to use. It is a lite version of Composer. In the full version, you can have multiple tracks for one song with different meter or tempo or key signature, and add lyrics and more. For more information, please visit http://www.ifomia.com.