Originally Posted By: Matt Finley
To me,

C-E-G-D is Cadd9

C-E-G-Bb-D is C9



C9 = C E G B D

Cadd9 = C E G D


Csus2 = 1 2 5

Csus4 = 1 4 5



But in BIAB, sus=sus4, right?


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