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The fifth chord will toughen up a progression. You can sing a minor or major melody over the same fifth chord – it
makes no difference. On a recording with multiple guitar tracks, it combines nicely with full major or minor chords.
Dominant Seventh Suspended Fourth
This is quite a popular chord, an amalgam of a dominant seven and a sus4. In C this would C F G Bb. This chord is
neither major nor minor. It can resolve either to C7 or Cm7, depending on whether the F drops to E or Eb. The
presence of the seventh makes this chord not as tense as the straight sus4.
There are open string shapes for A7sus4, D7sus4, E7sus4 and G7sus4.
Dominant seventh suspended fourth chord shapesMajor Sixth Chords
The major sixth is formed by adding the sixth note of the scale to the major chord. C major C E G becomes C E G A.
It is a slight dilution of the major chord, just as the minor seventh is a dilution of the minor chord. In fact, C E G A
are the same notes that make up Am7 (A C E G). In many guitar chordbooks and sheet music, you will find chords
shown as major sixths that are really inverted minor chords. It is essential for the major sixth that all four notes be
sounded.
In most pop contexts a major sixth will lend a mildly "jazzy" sound, and it is heard in Latin American music. The
verse of 'No Reply' has two major sixths, giving it a slightly Latin quality. It is associated with The Beatles, who
sang a major sixth in the last chord of 'She Loves You'. Roxy Music's 'Love Is The Drug' is one of a number of songs
that alluded to this by ending on a similar major sixth.