I composed this song on the computer last night. Lullaby in the key of E. 24 measures, 1 minute. I haven’t even played it on the piano, but you can listen to the synthesized version and perhaps learn it yourself if my note patterns are not too exotic.

Download synthesized MP3 (1:00, 1MB)
Download sheet music (PDF, 2 pg., 30KB)
Download MIDI sequence (1:00, 3KB)
Download Sibelius 5 score (42KB)