Chromatic piano keyboard has six long keys, of which four white and two black and six short keys at higher level, of which three white and three black

摘要

The chromatic piano keyboard has six long keys, of which four are white and two black and six short keys at a higher level, of which three are white and three black, the format constituting a chromatic octave. At the end of the long keys is a raised formation which is higher than the short keys. Thus, in the format three levels exist. The four white ong keys represent F,G,A,B and the two black long keys C sharp and D sharp. The three white short keys represent C,D,E and the three black short keys F sharp, A flat and B flat.