Gb Major Thirteenth for Bass
A Gb Major thirteenth chord, also written as Gbmaj13, GbΔ13, Gbma13 or GbM13 contains the notes Gb, Bb, Db, F, Ab, Cb and Eb. The chord is comprised of the intervals M3, m3, M3, m3, m3 and M3.
G
B
D
F
A
C
E
M3
m3
M3
m3
m3
M3