Flute hyperbass are other rare forms of the flute pitched two, three, and four octaves below middle C respectively. Other sizes of flutes and piccolos are used from time to time. A rarer instrument of the modern pitching system is the treble G flute. Instruments made according to an older pitch standard, used principally in wind-band music, include D piccolo, soprano flute (the primary instrument, equivalent to today's concert C flute), F alto flute, and B bass flute. The bamboo flute is an important instrument in Indian classical music, and developed independently of the Western flute. The Hindu God Lord Krishna
Hyperbass flute wood. There appear to be wide tone holes, made from standard tee fittings, but without keys; these are covered with the palms of the hands. The first known example of the instrument was built by Francesco Romei, a Florentine craftsman, for Italian flautist Roberto Fabbriciani. Fabbriciani is the inventor and primary performer of this instrument. He calls it "hyperbass flute" and "flauto iperbasso" in Italian. Low flute specialist Peter Sheridan commissioned the first fully chromatic hyperbass flute from the Dutch maker Jelle Hogenhuis in August 2010. The first composition for the hyperbass flute with live electronics and magnetic tape is