Guitar Theory: Extended Chords and Keys
Beyond the beginner chords: extended chords (7ths, 9ths, and beyond) and the keys that organize them. These lessons assume you can already play the twelve beginner chords. Everything here is free.
Extended chords
- 7th Chords - Dominant, major, and minor 7ths - the three colors every guitarist needs.
- 9th Chords - Funk and blues territory: dominant 9, major 9, minor 9.
- 6th Chords - Warm, old-time swing on two easy shapes.
- 11th and 13th Chords - How extended chords really work, and the two-chord trick pros use.
Guitar keys
- Key of C - The blueprint key.
- Key of G - The most guitar-friendly key.
- Key of D - Bright bluegrass country.
- Key of A - Rock and blues home base.
- Key of E - Electric blues central.
- Key of F - One flat, one famous barre chord.
- Key of E Minor - The most-played minor key.
- Key of D Minor - The famously mournful key.