šµ A very full, lush, and expansive major chord (root, 3, 5, 7, 9, #11 or 11, 13). Adds significant color and sophistication. Use it as a I or IV chord in sophisticated jazz or R&B for a sound that feels complete, warm, luxurious, and airy (especially with a #11).
Also abbreviated as: maj13
Maj13
^13
With all 6 notes and C
as bass, it is also: A-11/C
Am11/C
CM13
Cmaj13
Contains intervals: 1P
3M
5P
7M
9M
13M