, a second harmonic, a third harmonic and a sixth harmonic (see Rossing and Sathoff, 1980 ). Bibliography C.V. Raman : ‘The Indian Musical Drum’, Proceedings of the Indian Academy of Sciences , section A, 1 (1934), 179–88 T.D. Rossing and H.J. Sathoff : ‘Modes of Vibration and Sound Radiation from Tuned Handbells’, JASA , 68 (1980), 2225–6 T.D. Rossing : ‘The Physics of Kettledrums’, Scientific American , 247 (1982), 172–8 T.D. Rossing and R.B. Shepherd : ‘Acoustics of Cymbals’, Proceedings of the 11th International Congress on Acoustics: