A tetratonic scale is a musical scale or mode with four notes per octave. This is in contrast to a heptatonic (seven-note) scale such as the major scale and minor scale, or a dodecatonic (chromatic 12-note) scale, both common in modern Western music. Tetratonic scales are not common in modern art music, and are generally associated with prehistoric music.[2][3]
- ^ Bruno Nettl; Helen Myers (1976). Folk Music in the United States: An Introduction. Wayne State University Press. p. 38. ISBN 978-0-8143-1557-6. Retrieved 22 June 2012.
- ^ Anthony Baines (1967). Woodwind Instruments and Their History (third, revised ed.). Faber and Faber. pp. 176–[, page needed], . ISBN 9780486268859. Retrieved 22 June 2012. (Reprinted, New York: Courier Dover Publications, 1991, ISBN 978-0-486-26885-9).
- ^ Baidyanath Saraswati, ed. (1991). Tribal Thought and Culture: Essays in Honour of Surajit Chandra Sinha. New Delhi: Concept Publishing Company. pp. 131–[, page needed], . ISBN 978-81-7022-340-5. Retrieved 22 June 2012.
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