Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
M:6/8
K:D
['', 'fdd cAA BAG A2 G FAA def', 'FAA def'  
X:1
L:1/8
M:6/8
K:D
 e |: fdd cAA | BAG A2 G | FAA def | gfg eag | fdd cAA | BAG A2 G | FAA def |1 gec d2 e :|2 
 gec d2 A || FAA ABA | FAA BAG | FAA def | gfg eag | fdd cAA | BAG A2 G | FAA def |1 gec d2 A :|2 
 gec d3 ||  