Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:12/8
K:G
['A2 D', 'B c2']  
X:1
L:1/8
M:12/8
K:G
|: G2 F G2 A BAB d2 B | A2 D FED A2 D FED | G2 F G2 A BAB d2 B | A2 D FED G6 :: gfg efg f2 e d2 B | 
 c2 B A2 B c2 d e2 f | gfg efg f2 e d2 B | c2 A F2 A G6 :|  