Editing Octatonic scale (section)

===Gamma chord===
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[[File:5-32A pentachord on C.mid|thumb|Gamma chord]]
The gamma chord (γ chord) is 0,3,6,8,11 (Forte number 5-32A){{sfn|Honti|2007|loc=305}} It is the beta chord with one interval diminished: C{{music|#}}, E, G, A, C{{music|natural}}. It may be considered a major-minor minor seventh chord on A: A, C{{music|natural}}, C{{music|#}}, E, G. See also: [[Elektra chord]]. This is also commonly known as the [[Jimi Hendrix|Hendrix]] chord,{{citation needed|date=August 2021}} or in jazz music as a Dominant 7{{music|sharp}}9 chord; the notes in this case creating an A<sup>7{{music|sharp}}9</sup>.