Once upon a time, not so very many years ago, there were two little frog boys who lived in a little pond near a nice big farm. It wasn’t very far from where Peetie and Jackie Bow-Wow, the puppy dogs, had their home, and the frogs’ house was right next door to the pen where Lulu and Alice and Jimmie Wibblewobble the ducks lived. There was Bully No-Tail, and his brother Bawly No-Tail, and the reason Bawly had such a funny name was because when he was a little baby he used to cry a good bit. ...

How do string instruments sing sweet sounds? With fingers, picks, and Swaying Strings! Read and sing along to learn all about The Physics of Music.