http://www.techwench.com/a-user-review-of-old-macdonald-piano-for-iphone/
Apps made for kids that are a lot of fun to play, and at the same time actually impart some sort of education, can be a great tool for parents – especially when it comes to music. Old MacDonald Piano from Kiboomu Publishing, an interactive app for young children centered on the piano, is their second release along the same lines.
