C=keyboard letter c D=keyboard letter d E=keyboard letter e and so forth. The only exception is upper c and all you have to do is press the up arrow. Why not check this out? https://scratch.mit.edu/projects/325473366/
All my own artwork except from the trumpet and the cat which is scratch's. All the sounds are scratch's as well. Oh yeah and check out... https://scratch.mit.edu/studios/25284463/.