MUS 101 Lecture Notes - Lecture 5: Relative Key, Key Signature, Semitone
Document Summary
Relative keys: major and minor keys that have the same key signature. Relative minor key: the tonic of the relative minor key is three semitones below the tonic of its relative major key. Natural minor scale: the natural minor will share the key signature of its relative major and no other notes will be raised or lowered beyond the key signature. Whole step half step ws ws hs ws ws. Tone semitone t t s t t. Harmonic minor scale: shares key signature of relative major, however, the 7th note/leading tone is raised by a half step. This is not included in the key signature. Ws hs ws ws hs aug2 hs. Melodic minor scale: the 6th and 7th notes are each raised by a half step as the scale ascends, and both lowered by a half step on the way down.
