Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/8
M:6/8
K:C
['z/ A/ ^G2 ^F G2']  
X:1
L:1/8
M:6/8
K:C
 A | ^G2 A c2 c | B2 E A3 z/ A/ | ^G2 ^F G2 G | A3 E2 B | c2 B A2 ^F | e2 e c3 z/ A/ | 
 ^G2 ^F G2 e | c3 A2 x |]  