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
Native American flute for her Native American flute music in 2002 and 2006. She remains the only Native American flutist to be distinguished in this way, as the National Academy of Recording Arts and Sciences retired the category in 2011. Today, Native American flutes are being played and recognized by many different peoples and cultures around the world. The Native American flute has inspired hundreds of informal community music groups which meet periodically to play music and further their interest in the instrument. These groups are known as "flute circles". Several national organizations have formed to provide support to these local flute circles: