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
Subcontrabass flute it has great opportunities for dynamic power and accent. A–D The tone becomes less secure and loses some of the lower partials and it is great for blending. E–C has a weaker and somewhat unfocused pitch center which may be a good choice for blend or effect. The double contrabass flute (or "octobass flute"), an instrument in the key of C pitched a fifth lower than the subcontrabass flute in G, is sometimes referred to as a "subcontrabass flute", as for, example, in the instruments made by Jelle Hogenhuis. "And the Giant Began to Dance..." (Peter Sheridan), on the album