Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
M:9/8
K:C
['', 'e2 c'  
X:1
L:1/8
M:9/8
K:C
"^A" |: G | c2 e ege f2 d |1,3 e2 c fdc B2 :|2,4 e2 c fdB c2"^B" :: (B/c/) |: ded dBG BAG |1,3 
 ded dBG ABc :|2,4 ege fdB c2 :|  