Triad Inversion and 7th chord inverted

Triad inversion

A triad is inverted when the lowest note is moved up an octave. Triads occur in three different positions (root position, 1st inversion and 2nd inversion)

  1. If the root of the chord is the lowest note (bass note), the triad is in root position
  2. If the third of the chord is the lowest note, the triad is in first inversion
  3. If the fifth of the chord is the lowest note, the triad is in second inversion

 

triad-inversions

Root Position                     1st Inversion               2nd Inversion
(Root in the bass)             (Third in the bass)    (Fifth in the bass)

7th Chord inversion

Like triads, A 7th chord can be inverted by moving the lowest note up an octave. 7th chord has 4 positions (root position, 1st inversion, 2nd inversion and 3rd inversion)

  • When the root of the dominant 7th is the lowest note, the chord is in root position
  • When the third is the lowest note, the chord is in first inversion
  • When the fifth is the lowest note, the chord is in second inversion
  • When the seventh is the lowest note, the chord is in third inversion

7th-inversion-root-1st

 

Root Position                                                                                  1st Inversion
(Root in the bass)                                                                         (Third in the bass)
7th-inversion-2nd-3rd

2nd Position                                                                            3rd Inversion
(Fifth in the bass)                                                                 (Seventh in the bass)

 

 

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