SONORA
CONCERT SERIES
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—
No. 88
GRAND
MASTER
72
OCTAVE
0
PEDAL
Sustain
GUIDE
Key labels
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C1
C2
C3
A
C4
S
D
F
G
H
J
K
C5
L
;
’
C6
C7
C8
W
E
T
Y
U
O
P