Dorian mode

Mixolydian mode: This is another musical scale that starts on the fifth degree of the major scale. It has a major tonality with a lowered seventh degree.

Relative keys: These are pairs of major and minor keys that share the same key signature. For example, C major and A minor are relative keys because they have no sharps or flats in their key signatures.

Aeolian mode (natural minor): This is a musical scale that starts on the sixth degree of the major scale. It has a minor tonality without any raised or lowered degrees.