5:31 Axis of Awesome - 4 Four Chord Song (with song titles) 6:20 4 Chords | Music Videos | The Axis Of Awesome 1:34 Rare Chords: Supermothrian Polychords | Maj7b4b8♮13‡14⇂16b23 (harmony in 31-edo) 9:36 Самые страшные и жуткие аккорды и как их использовать 11:25 4 Weird Chords Every Guitar Player Should Know