Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:3/4
K:G
['AAAc c2 BA G2']  
X:1
L:1/8
M:3/4
K:G
 D | GD G2 B2 | AG A2 z D | AD A2 d2 | ^ce d2 z d | AAAc c2 | BA G2 d2 | AAAc c2 | BA G2 z d | 
 AAAc c2 | BA G2 d2 | AAAc c2 | BA G2 z |]  