All about the Bb Mixolydian scale

What notes are in the Bb Mixolydian scale?

There are 7 notes in the Bb Mixolydian scale.

IIIIIIIVVVIVII
BbCDEbFGAb

What are the alterations in the Bb Mixolydian scale?

The Bb Mixolydian scale contains the following alterations:
  • 3 Flat