Wonderful! I hope you plan to buy Hands, Fingers, Thumbs by Al Perkins. Some of the lyrics are ... many more fingers, many more thumbs, many more monkeys drumming on drums. I read that over and over to my kids and then to my grandchildren. We made quite a big to do about it.
http://www.amazon.com/Fingers-Thumb-...1940979&sr=1-1