Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
M:6/8
K:C
['E>FG GA_B AGF', 'fd_B def']  
X:1
L:1/8
M:6/8
K:C
"^Cheerful" G | E>FG GA_B | AGF F2 G | E>FG GAB | c>de d2 G/F/ | E>FG GA_B | AGF f2 e/f/ | 
 gfe fed | c3 e2 || g | e>de c>de | fd_B def | gec cdc | efg g2 g | Gec ege | fd_B def | gfe fed | 
 c3 c2 ||  