Compare
Bebop Major vs Major
Bebop major inserts the ♭6 chromatic passing tone. Eight notes that swing naturally over maj7.
Bebop Major
R
♭2
2
♭3
3
4
♭5
5
♭6
6
♭7
7
Major
R
♭2
2
♭3
3
4
♭5
5
♭6
6
♭7
7
What's different
Only in Bebop Major
♭6
In both
R234567
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