26.15`add9` versus `sus2`
Important distinction:
Cadd9
C E G D
keeps E.
Csus2
C D G
replaces E.
The two can sound similar in certain voicings, but theoretically they are different.
Important distinction:
C E G D
keeps E.
C D G
replaces E.
The two can sound similar in certain voicings, but theoretically they are different.