7-35, (013568t), Diatonic
   

7-35, (013568t), Diatonic

Set Class

The diatonic scale or major scale refers to the set class (unordered collection of notes) with twelve transpositions of the white keys. This scale is common in many cultures and across styles of music. The seven modes of the diatonic scale include the Ionian or Major mode (Do-Re-Mi-Fa-So-La-Ti-Do), the Natural Minor mode, and more. More 

 

The scale is maximally even, symmetric and related to transpositions of itself by single-semitone voice leadings. In fact, each transposition of the diatonic (major) scale has six scales that are each a semitone voice-leading step away: two other diatonic (major) scales; two acoustic (melodic minor) scales; and one harmonic major and one harmonic minor scale.

See A Diatonic Puzzle for more about what makes the diatonic scale unique, and Staff Notation for more on how the diatonic scale is deeply embedded into standard staff notation. See Diatonic Modes & Chords for more about how the modes and chords fall out of the notes of the major scale.

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Distance (4/7)*

the minimum Euclidean distance from this set to any transposition of the perfectly even 7 note chord, in semitones

Ancohemitonic chromatic-cluser-free
Hemitonic set contains one or more semitones
Maximally Even divides the octave maximally evenly (for cardinality of 5, 7, 8 or 9, no set can be perfectly even)
Quartal set can be generated by repeatedly stacking perfect fourths (5 semitones)
Symmetric the involution of this set is the same set
Tritonic set contains one or more tritones




C Major (Diatonic)
D Major (Diatonic)
D Major (Diatonic)
E Major (Diatonic)
E Major (Diatonic)
F Major (Diatonic)
F Major (Diatonic)
G Major (Diatonic)
A Major (Diatonic)
A Major (Diatonic)
B Major (Diatonic)
B Major (Diatonic)