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
Globular Flute is wider than the other two, which are identical. The object has been identified as a musical instrument by the excavators, an ocarina-type globular flute. The flute has no find context, having been discovered in a ploughed field, but the date of the Neolithic settlement at Mramor ranges from between 5000 and 4000 BC. Although a unique object, experts consider it to be a demonstration of the type of technology available in Neolithic Europe. It is not known if the flute was for performing ritual music or for entertainment, but experiments have been carried out on the melodies produced by