3 (two octaves above the fundamental); (5) an overtone a major third above No.

4; (6) an overtone a minor third above No.5.There are others in still higher range but those indicated are easily demonstrated on the piano.

For C they would be as follows: [Music illustration] Experiment I Step to your piano, noiselessly press and hold down the key of No.

2, then strike the fundamental No.

1, with force and immediately release it.