The minor 6th chord adds a major 6th to a minor triad (1–♭3–5–6). Moody yet elegant, it appears throughout jazz, bossa nova, and film noir voicings.
NotesE · G · B · C♯
Formula1 · ♭3 · 5 · 6
Every minor 6th chord tone across the neck. Solo with these and you spell the chord — that's the difference between running a scale and playing the changes.