Diagrammes non disponibles
| I | III | ♯V | ♭VII | ♯IX |
|---|---|---|---|---|
| Root | Major third | Augmented fifth | Minor seventh | Augmented ninth |
| A# | D | F# | G# | C# |
The Bb 7♯5♯9 chord is composed of 5 notes :
These notes form an ultra-altered chord combining augmented fifth and ninth.
The 7#5#9 chord Bb 7♯5♯9 combines two alterations: augmented fifth (#5) and augmented ninth (#9).
This very sophisticated chord requires appropriate harmonic context to be effective.
The 7#5#9 chord has specialized uses:
Modern jazz: ultra-sophisticated harmonies.
Avant-garde: extreme harmonic exploration.