Notes: C – D – E – F – G – A – B · Formula: 1 – 2 – 3 – 4 – 5 – 6 – 7
B
C Mixolydian Mode
Root2nd3rd4th5th6th7th
Notes: C – D – E – F – G – A – Bb · Formula: 1 – 2 – 3 – 4 – 5 – 6 – ♭7
What's the difference?
Shared notesC1D2E3F4G5A6
Only in MajorB7
Only in MixolydianBb♭7
Why it matters: Mixolydian is a major scale with a flattened 7th. Everything else is identical to major, but that one lowered note trades the major scale's leading-tone 'pull home' for a relaxed, bluesy, dominant-7th sound — which is exactly why it's the go-to scale over a static dominant groove.