Play the 9♯5 chord on guitar
The 9♯5 chord is a ninth chord with an augmented fifth. This combination creates very expressive double ascending tension.
Chord composition
| I | III | ♯V | ♭VII | IX |
| Root | Major third | Augmented fifth | Minor seventh | Major ninth |
| 0 | 4 | 8 | 10 | 14 |
Formula 1 - 3 - ♯5 - ♭7 - 9
Theory
The 9♯5 chord combines the 7♯5 with a major ninth. G9♯5 = G-B-D♯-F-A. The augmented fifth creates ascending chromatic tension enriched by the ninth. This chord offers ascending resolution to degree I, creating expressive melodic movement in bass lines.
Play the 9♯5 chord on the guitar
