Roland FR-2 V-Accordion Owner's Manual page 24

FR-2/FR-2b V-Accordion
Changing your accordion's behavior
Bass & Chord Mode
[1] + [2] 2 Bass Rows
[1] & [2] 3 Bass Rows A
"7th"= 1-3-7; "5dim"= 3-5-7
[3] & [4] 3 Bass Rows B
"7th"= 1-3-7; "5dim"= 3-5-7
[5] 3 Bass Rows Bx
"7th"= 1-3-7
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F#3 B3 E3 A3 D3 G3
G3 C3 F3 Bb3 Eb3 Ab3
Eb3 Ab3 C#3 F#3 B3 E3
EbM AbM C#M F#M BM
Ebm Abm C#m F#m Bm
Eb7 Ab7 C#7 F#7 B7
G3
G3 D3
C3 F3 Bb3 Eb3 Ab3 C#3
C#3 F#3 B3 E3 A3 D3
A3 D3 G3 C3 F3 Bb3
EM AM DM GM CM FM
Em Am Dm Gm Cm Fm
E7 A7 D7 G7 C7 F7
D3 A3 E3 B3
A3 E3 B3
F#3 B3 E3 A3
G3 C3 F3 Bb3
Eb3 Ab3 C#3 F#3
BbM EbM AbM C#M F#M
Bbm Ebm Abm C#m F#m
Bb7 Eb7 Ab7 C#7 F#7