Rock and roll is a blend of country and r&b. Rock and roll was created in the U.S.A. The British claim that they created Rock and Roll. There are instruments that you use in Rock like Guitars, Drums, and keyboards. The key boards make many different noises and beats that to the coolness of Rock and Roll. Guitars are the coolest instruments that were ever created. The different types of Rock vary . There is : Metal, Indy, Punk, and a few more.