Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:6/8
K:G
['', 'DGG GAG =FDE =F2', 'B3 BAG A3', 'g ^gag fed cAG FGA']  
X:1
L:1/8
M:6/8
K:G
 G2 |: E | DGG GAG | =FDE =F2 E | DGG GFG | A2 d cAG | DGG GAG | =FDE =F2 d | cAG FGA | BGF G2 :: 
 A | B3 BAG | A3 AGF | G3 GFG | A dd cAG | B3 BAG | A3 A2 d | cAG FGA | BGF G2 :: B | d2 e f2 g | 
 ^gag fed | cAG FGA | BGB AFA | D2 E F2 g | ^gag fed | cAG FGA |1 BGF G2 :|2 B_BA G2 ||  