Gb = Gb-Bb-Db
Gb 6 = Gb-Bb-Db-Eb
Gb 6/9 = Gb-Bb-Db-Eb-Ab
Gb 9 = Gb-Bb-Db-Ab
Gb Majeur 7 = Gb-Bb-Db-F
Gb Majeur 7 9 = Gb-Bb-Db-F-Ab
Gb Majeur 7 9/13 = Gb-Bb-Db-F-Ab-Eb
Gb 7 = Gb-Bb-Db-Fb
Gb 7 9 = Gb-Bb-(Db)-Fb-Ab
Gb 7 b9 = Gb-Bb-(Db)-Fb-Abb(G)
Gb 7 9/13 = Gb-Bb-(Db)-Fb-Ab-Eb
Gb 7 b9/b13 = Gb-Bb-(Db)-Fb-Abb(G)-Ebb(D)
Gb mineur (Gb m) = Gb-Bbb(A)-Db
Gb mineur 6 = Gb-Bbb-Db-Eb
Gb mineur 6/9 = Gb-Bbb-Db-Eb-Ab
Gb mineur 7 = Gb-Bbb-Db-Fb
Gb mineur 7 9 = Gb-Bbb-Db-Fb-Ab
Gb mineur 7 9/11 = Gb-Bbb-Db-Fb-Ab-Cb
Gb mineur majeur = Gb-Bbb-Db-F
Gb halfdim = Gb-Bbb-Dbb(C)-Fb
Gb dim = Gb-Bbb-Dbb-Eb
Gb overmatig = Gb-Bb-D
Gb 7 #5 = Gb-Bb-D-Fb
Gb sus4 = Gb-Cb-Db
Gb 7 sus4 = Gb-Cb-Db-Fb
Gb 7 sus4 9 = Gb-Cb-Db-Fb-Ab
Gb 7 sus4 b9 = Gb-Cb-Db-Fb-Abb