Gbsus2 chord
Gb suspended second
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G
Gb
G
Ab2
A
Bb
B
C
Db
D
Eb
E
F
Gb
G
Ab
C
C
Db5
D
Eb
E
F
Gb
G
Ab
A
Bb
B
C
Db
E
Eb
E
F
Gb1
G
Ab
A
Bb
B
C
Db
D
Eb
E
Gb
A
Ab
A
Bb
B
C
Db5
D
Eb
E
F
Gb
G
Ab
A
Db
3
5
7
10
The Gbsus2 chord has the formula 1, 2, 5 with notes Gb, Ab, Db
Commonly used in pop, rock, and jazz, the suspended second chord usually has no third and therefore sounds open since it lacks a minor or major tonality. It can function as a preparatory chord before a resolution at the third.