> Whether or not you believe in the healing powers of sound, there is no doubting the appealing audio qualities of so-called singing bowls.
The tone any given object is capable of making is broadly defined by its shape and the manner in which it is struck. Circular objects tend to give off a relatively unchanging sound spectra, and one often heavily dominated by a single fundamental frequency. Singing bowls are no exception, giving out a pure tone almost like a sine wave.