|5 Seventh Chords||William Wieland|
Dominant Seventh Chord
Major Seventh Chord
Minor Seventh Chord
Diminished Seventh Chord
Half-Diminished Seventh Chord
|Triad & 7th
|Triad & 3rd
M + m3
M + M3
m + m3
d + m3
d + M3
|Seventh Chord||In Major Keys||In Harmonic Minor|
|Major||I7 & IV7|
|Minor||ii7, iii7 & vi7|
|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.