| 5 Seventh Chords | William Wieland |
| Common Name
Dominant Seventh Chord Major Seventh Chord Minor Seventh Chord Diminished Seventh Chord Half-Diminished Seventh Chord |
Triad & 7th
Mm MM mm dd dm |
Triad & 3rd
M + m3 M + M3 m + m3 d + m3 d + M3 |
| Seventh Chord | In Major Keys | In Harmonic Minor | |||
| Dominant | V7 | V7 | |||
| Major | I7 & IV7 | ||||
| Minor | ii7, iii7 & vi7 | ||||
| Diminished | viio7 | ||||
| Half-Diminished | viiø7 | ||||
| Seventh Chord
Dominant Major Minor Diminished Half-Diminished |
Other Methods of Identification and Construction
Dominant Seventh Chords (at the piano) 1 3 5 7 of the major scale (do mi sol ti) 1 3 5 7 of the natural minor scale (do me sol te) all minor 3rds almost all minor 3rds | |
| If you know your dominant seventh chords well, to produce a . . .
. . . major 7th chord, raise the 7th (a ½ step). . . . minor 7th chord, lower the 3rd. . . . diminished 7th chord, lower the 3rd, 5th & 7th. . . . half-diminished 7th chord, lower the 3rd & 5th. |