Create a musical composition using the provided alphabet sequence and motif.
X:1
L:1/8
Q:1/2=90
M:2/2
K:Gmin
['B2 (AB) G2', 'B2 B2']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:Gmin
 GA | B2 (AB) G2 (dc) | B2 (AB) G2 d2 | e2 (dc) B2 c2 | d2 (cd) B2 B2 | B2 gB A2 fA | 
 GBAG F2 (dc) | BABG | D2 F2 | F2 G4 :: d2 | gfga gfga | b2 B2 B2 ga | bagf edcB | A2 F2 F2 (GA) | 
 B2 B2 c2 c2 | d2 d2 g4 | f2 d2 e4 | d2 G2 c4 | B3 A GBAG | F2 (EF) D2 (dc) | BABG"^qu's" D2 F2 | 
 F2 G4 :|  