Bb Dorian scale
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The Bb Dorian scale has the formula 1, 2, b3, 4, 5, 6, b7 with notes Bb, C, Db, Eb, F, G, Ab
The Dorian scale is the second of the seven modes, and is considered a type of minor scale. It is distinguished from the minor scale by having a major 6th note. This scale is often used in popular music in place of the natural minor scale.