From Gabriel Fernandez:
Convert your PC into a Piano. With Little Piano you'll be making music in no time. Using its simple interface, you'll be able to record songs, use multiple instruments, and share your songs. Features: 127+ instruments; Drums patterns of common music styles; 10 channels for recording; Save to Midi files and Windows Audio files.
What's new in this version:
Version 1.1 allows to export projects to Windows Media Audio Files