MT Intervals/Triads/7ths

m2 becomes

M7

M2 becomes

m7

m3 becomes

M6

M3 becomes

m6

Diminished symbol

o

Augmented symbol

+

Natural triad

No accidentals

Lowest sounding note (not necessarily root)

Bass

Root position

Bass is the root (5/3)

1st inversion

Third is the bass (move root up octave) (6/3)

2nd Inversion

Fifth is bass (move root AND third up octave) (6/4)

Major Triad

M on bottom, m on top (root and 5th P5 apart)

Minor triad

m on bottom, M on top (root and 5th are P5 apart)

Diminished triad

m on bottom, m on top (root and 5th tritone apart)

Augmented triad

M on bottom, M on top

Tonic roman numeral

I

Supertonic roman numeral

ii

Mediant roman numeral

iii

Subdominant roman numeral

IV

Dominant roman numeral

V

Submediant roman numeral

vi

leading tone roman numeral

vii°

First inversion figure

I^6

2nd inversion figure

I 6/4

Seventh is composed of

Third on top of fifth (root+third+5th+7th)

Fully diminished 7th

Diminished triad + diminished 7th

½ diminished 7th

diminished triad + minor 7th

Minor 7th

Minor third + minor 7th

Dominant 7th

Major triad + minor 7th

Major 7th

Major triad + major 7th

Fully diminished 7th symbol

°7

Half diminished 7th symbol

ø7

m^7

Minor 7th

^7

dominant

Maj^7

Major 7th

Natural 7th chords

No accidentals

Root position of 7ths

7/5/3

7ths 1st inversion

6/5/3

7ths second inversion

6/4/3

7ths 3rd inversion

6/4/2

Major key: minor 7th symbol

ii^7

Major key: major 7th symbol

IV^7

Major key: dominant 7th symbol

V^7

Major key: ½ diminished 7th symbol

vii^ø7

Minor key: ½ diminished 7th symbol

ii^ø7

Minor key: minor 7th symbol

iv^7

do → le

minor 6th

do → mi

Major 3rd

Figured bass: what note is shown if there is nothing beneath the note?

The root (root position)

Figured bass: what note is shown if there is a 6 beneath the note?

The 3rd (1st inversion)

Figured bass: what note is shown if there is a 6/4 beneath the note?

The 5th (2nd inversion)

Maj 7

Maj triad + maj 3

Min 7

Min triad + min 3rd

Dom 7

maj triad + min 3rd

½ dim triad

dim triad + maj 3rd

Dim 7

dim triad + min 3rd

Root position (7)

root in bass

1st inversion (6/5)

3rd in bass

2nd inversion (4/3)

5th in bass

3rd inversion (4/2)

7th in bass

7

root position

6/5

1st inversion

4/3

2nd inversion

4/2

3rd inversion