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This is the first of three lessons on second inversion triads, also called six-four chords. We will:
- Review the three possible triad positions
- Walkthrough an overview of six-four-chord functions
First, let's review: When a triad is stacked as two adjacent thirds, it is in root position...
... and its root is the lowest sounding pitch.
In first inversion, the third sounds lowest�
... and in second inversion�
... the fifth sounds lowest.
Listen to each triad: the root position, the first inversion, and the second inversion. Even though they are shown as block chords, you will hear them played one note at a time, from the bottom upward.
You might remember that the second inversion triad is called a six-four chord�
because the intervals of a sixth and a fourth are present above the bass.
In this case, the sixth occurs between C5 and F5...
...and the fourth between C5 and F5.