Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:6/8
K:C
['', 'cBc def ecc cgg gde', 'gfe d2 e fed']  
X:1
L:1/8
M:6/8
K:C
 G |: cBc def | ecc cgg | gde fgf | edc dcB | cBc def | ecc cgg | gde fed |1 c3 c2 G :|2 c3 GAB |: 
 c2 G d2 G | e2 g gfe | d2 e fed | e2 c GAB | c2 G d2 G | e2 g gfe | d2 e fed |1 c3 GAB :|2 
 c3 c2 ||  