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• 23:49, 12 December 2025 Vector talk contribs created page Diatonic major second (Created page with "The '''diatonic major second''' ('''M2'''), represented by the frequency ratio '''9/8''', is the larger of the two seconds (1-step intervals) in the diatonic scale. It is generated by stacking 2 fifths and octave-reducing. In Pythagorean tuning (and thus purely-tuned just intonation), it is approximately 203.9 cents in size, but as an interval in the abstract diatonic scale it may range from 171 to 240 cents, depending on the tuning. It functions as the large st...") Tag: Visual edit