Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
Q:1/2=100
M:4/4
K:Gmin
['dc B2 d2 c2 e2 d2 g2', 'E D6 G2']  
X:1
L:1/8
Q:1/2=100
M:4/4
K:Gmin
 dc | B2 d2 c2 e2 | d2 g2 ^f2 g2 | d2 cB ABcA | B2 G4 :: G^F | G4 F3 E | D6 G2 | A2 B2 c2 dc | 
 B3 A G2 G^F | G4 ^F3 E | D6 G2 | ABcA Bdcd | B2 G4 :|  