You are hereHomeBARSeptember/October 1980World’s Oldest Musical Notation Deciphered on Cuneiform TabletStep-by-Step Decoding of Musical Notation In other words, if on a piano we wanted to “clear” the interval of F and B, we would simply lower the F string one-half-step to E. Join the BAS Library! Already a library member? Log in here. Institution user? Log in with your IP address.