VI and IV6 Flashcards
using vi in an arpeggiated bass
I-vi-IV or I-vi-ii6
descent in thirds in the bass
circle-of-fifths progression (4 chords)
vi-ii-V-I
best when all chords are in root position
1-2-3 in soprano
vi-V-I
parallel 10ths are common between b and s
normal doubling of VI when moving to V
double the third (or the root if you are in a major key)
inversions of VI
are rare - use root position!
How do vi and IV6 approach V
by step from above in the bass
VI -IV6
VI moves to IV6 by moving the 5th above the bass to the 6th above the bass and retaining the common tones in the other voices
Phrygian Cadence
iv6-V at a half-cadence in minor
one of these chords support scale degrees 5 and 5 in the soprano
normally double the third above the bass (chord 5th) in the iv6 chord here
bass that ascends 6-7-8 in major
vi (or IV6) - V6 - I
bass that ascends 6-7-8 in minor
IV6 - V6 - I
IV is major because you must be in melodic minor for this to work
IV6 expanding tonic
I-IV6-I6
when the bass is moving down
soprano 3-4-5
NOT REVERSABLE
IV6 expanding dominant
V-IV6-V6 (or V6/5)
be careful in minor to use the melodic form!
vi expanding dominant
ONLY IN MAJOR
I-vi-V6 (or V6/5)
soprano V-vi at non-cadential points
usually harmonizes 4-3 in the soprano
soprano V-vi at cadential points
DECEPTIVE CADENCE
harmonizes 2-1 or 7-1 in the soprano