Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:2/4
K:G
['', 'de/f/ gG BA GB dg', 'Bg fe ce d3 f/g/ ag fd']  
X:1
L:1/8
M:2/4
K:G
 de/f/ |: gG BA | GB dg | fe ce | d2 de/f/ | gG BA | GB dg | e2 fe/f/ ||1 g2 de/f/ :|2 g3 f/g/ |: 
 ag fd | ed Bg | fe ce | d3 f/g/ | ag fd | ed Bd | e2 f2 ||1 g3 f/g/ :|2 g4 ||  