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| | Encyclopedia: Hammond organ |
 | | While the Hammond organ was originally sold to churches as a low-cost alternative to the pipe organ, it came to be used for jazz, blues, and to a lesser extent rock music (in the 1960s and 1970s) and gospel music. | | | While the Hammond organ was originally sold to churches as a low-cost alternative to the pipe organ, it came to be used for jazz, and to a lesser extent rock music and gospel music. | | | The organ is a type of keyboard musical instrument, distinctive because the sound is not produced by a percussion action, as on a piano or celesta, or by means of vibrating strings, as on the harpsichord. |
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http://www.nationmaster.com/encyclopedia/Hammond-organ
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| | Hammond Organ tuning |
| | Hammond Organ tuning -------------------- absolute 1/1 = 320 Hz (internal gear only; does not get heard) "absolute ratio" is the list of ratios of the notes to the unheard 320 Hz "relative ratio" fixes each one of the 12 notes as 1/1 in turn and measures all others from that. | | | All 12 pitches bear rational relationships, with terms of one or two digits (thus, this tuning is a 100-integer-limit tuning), but which sounds for all intents and purposes like 12-edo. | | | A notorious example of an RI (rational intonation) which is not synonymous with just intonation, is the tuning of the Hammond organ. |
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http://tonalsoft.com/enc/h/hammond-organ.aspx
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