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
Members of the western concert flute family version is usually used for jazz because both the tenor saxophone and clarinet are in B. The alto flute is characterized by its distinct, mellow tone in the lower portion of its range. The tube of the alto flute is considerably thicker and longer than a C flute and requires more breath from the player. However, this gives it a greater dynamic presence in the bottom octave and a half of its range. It is pitched in the key of G (sounding a fourth lower than written) with its range stretching from G to G. The headjoint may be straight