Music Theory

Major Tetrachord

M + M

Minor Tetrachord

m + Ph

Harmonic Tetrachord

m + Ha

Melodic Tetrachord

m + M

Draw the circle of 5ths

Major Triads

M3 (m3) P5

Minor Triads

m3 (M3) P5

Diminished Triad

m3 (m3) d5

Augmented Triad

M3 (M3) A5

Seven Natural Triads

Major- CED, FAC, GBD
Minor- DFA, EGB, ACE
Diminished- BDF

Consonant Positions

Root position, First Inversion

Disonant Positions

Second Inversion

Root Position (Triad)

5/3

First Inversion (Triad)

6/3

Second Inversion (Triad)

6/4

Relative minor

Same key signature; different tonic

Parallel Minor

Same tonic; different key signature

Seventh Chord Root

Seventh Chord First Inversion

V6/5

Seventh Chord Second Inversion

V4/3

Seventh Chord Third Inversion

V4/2

Different Note Values

Tonic, Supertonic, Mediant, Subdominant, Dominant, Submediant (subtonic), Leading Tone