Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:4/4
K:G
['DG (3GFG', 'Bd (3d^cd ed']  
X:1
L:1/8
M:4/4
K:G
 Bc | dBcd efge | dBGB AGBG | DG (3GFG DG (3GFG | AGAB A2 Bc | dBcd efge | dBGB AGBG | 
 DG (3GFG DG (3GFG | AcBA G2 :| ga | b2 g2 ed (3d=cd | Bd (3d^cd ed (3dcd | b3 a gfed | 
 Bee^d efga | bagf gfed | Bd (3d^cd ed (3d^cd | bagf gfed |1 Bgfg agfg :|2 ecAF G2 ||  