diminished 5th
shifting harmonies
sus4
tonic key
sustained
bare fifths
polytonal
shift to F major
dominant 7th
augmented
half diminished
circle of 5ths
plagal cadence
triads
octatonic
chromatic chords
interrupted cadence
shift from C to D major
bitonality
hexatonic
sus2
shift to G major
perfect cadence
harmonising in 4ths and 5ths
