🎵 This altered dominant features clashing flat 5 and sharp 9 intervals. It creates a complex tension that's both bright (#9 over the 3rd) and dark (b5). Used in jazz and fusion to create a vibrant, electric, and slightly disorienting sound before resolution.
Also abbreviated as: 7#9#11
7b5#9
7#9b5
With all 6 notes and C
as bass, it is also: C7#9#11
Contains intervals: 1P
3M
5P
7m
9A
11A