There are four types of 2nd inversion triads (commonly called 6/4 chords) that can be found in the Common Practice Period:
- Cadential 6/4.
- Arpeggiated 6/4.
- Passing 6/4.
- Pedal 6/4.
What is a 6'4 chord?
So a “6-4” chord is when you have: An interval of a fourth above the bass. And an interval of a sixth above the bass.
What is a 6'4 cadence?
The cadential 6 4 is a melodic and harmonic formula that often appears at the end of phrases in music of the common practice period. Typically, it consists of a decoration of the dominant chord by displacing both its third and fifth by a step above.