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Encyclopedia of Microtonal Music Theory

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major-2nd / major second / maj2 / M2

[Joe Monzo]

A diatonic interval which is the larger of the two intervals which encompass 2 degrees of the of the diatonic scale (the smaller being the minor-2nd or diatonic semitone). The major-2nd is comprised of 1 tone and zero semitones, and is synonymous with "tone", "whole-tone" and "whole-step". Examples are:

 maj2  maj2      maj2  maj2  maj2
  / \   / \       / \   / \   / \
C     D     E   F     G     A     B   C
   t     t    s    t     t     t    s

major-2nd  =  1t + 0s

The major-2nd is one chromatic-semitone larger than the minor-2nd. Raising the major-2nd by one more chromatic semitone results in the augmented-2nd.

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