Tetrad Melody
Hear & play major 7th, dominant 7th and minor 7th melodies — one note, the 7th, added to color a triad and form the next most common chords after the triads. These are the sounds of jazz, soul, and R&B. By the end, you can hear and play each 7th chord as a melody from any root.
Why
7th chords come from the major modes in the same way as triads: stack every second note, four notes instead of three
7th chords are the next most common chords after the triad, and an essential part of the toolkit
The 7th adds color to a triad
The dominant 7th chord has the strongest resolution to the root