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
Double contrabass flute was designed to be an ensemble instrument it was soon discovered by various solo artists who saw the merits of the instrument for their musical purposes. The bore is wider than what one usually finds in a metal double contrabass flute. The instrument is comparatively light, weighing only (compared to for the brass version), and can be produced relatively quickly and inexpensively. In addition, the PVC appears to produce a broad tone. Double contrabass flute The double contrabass flute (sometimes also called the octobass flute or subcontrabass flute) with over of tubing is the largest and lowest pitched metal flute