Also D♭ Major (Ionian), E♭ Dorian
B♭ Natural minor (Aeolian): B♭ C D♭ E♭ F G♭ A♭. Formula 1 2 ♭3 4 5 ♭6 ♭7. Same notes as D♭ Major (Ionian), E♭ Dorian, F Phrygian. The natural minor scale: sad and serious, the basis of minor keys in rock, pop and classical music.