šµ Also known as Major Augmented 7th (root, 3, #5, 7), it combines the augmented triad with a major seventh. Creates a tense, expansive, and slightly ethereal sound with strong upward pull. Use it as a I or IV chord for unique harmonic color or as a passing chord to create a feeling of yearning, floating, or unresolved tension.
Also abbreviated as: maj7#5
maj7+5
+maj7
^7#5
With all 4 notes and C
as bass, it is also: C+(M7)
Cmaj7#5
Contains intervals: 1P
3M
5A
7M