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C9, C add9, and C sus2 difference?

Posted: Mon Oct 23, 2023 3:29 pm
by Bonano
Does C9 imply a flat 7 too (C, D, E, G, Bb)? And is a C sus2 without a 3rd (C, D, G)?

Re: C9, C add9, and C sus2 difference?

Posted: Mon Oct 23, 2023 3:32 pm
by spawnofthesith
I could be wrong on this, but I believe a C9 has the b7th in it, an add 9 would just be a a C chord with a 9th on top, and correct, sus chords do not have the third in them

Re: C9, C add9, and C sus2 difference?

Posted: Mon Oct 23, 2023 4:34 pm
by GuitarBilly
spawnofthesith wrote:I could be wrong on this, but I believe a C9 has the b7th in it, an add 9 would just be a a C chord with a 9th on top, and correct, sus chords do not have the third in them

yeah that's right.

C9 - root, 3rd, 5th, b7th, 9th

Cadd9- root, 3rd, 5th, 9th

Csus2- root, 2nd, 5th.