LEARN: Dear Boy's activity centre has a 'piano' on it, but a piano made up of just four notes. Since we got it, I've been tinkering round with the keys, trying to figure out a song. Today, I sat down for a while and actually nutted one out. Apart from one dodgy note, I think I cracked 'Mary Had a Little Lamb'. The video below is me at work, but the sound is awful (and it could possibly come out sideways). If the video on my phone wasn't so god-awful, you'd hear the tune (with the dodgy note) and then the piano 'applauding' with it's own little ditty and light show. Dear Boy was certainly impressed.