I like the aforementioned songs but this is possibly my favourite (Superstition):

https://www.youtube.com/watch?v=0CFuCYNx-1g

Many years ago we went to a Motown concert at St.David's Hall and Martha (of Martha and the Vandellas fame) described how she remembered seeing this little blind black kid about 10 years old coming into the studios and playing an audition. She remembered thinking right away that he was a very special talent and that he was going to be a big star in the music world.