Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
Q:1/2=75
M:2/4
K:G
['D G>BBB |{c} B2 AG GBde d2', 'd>fge f2 ed'  
X:1
L:1/8
Q:1/2=75
M:2/4
K:G
 D | G>BBB |{c} B2 AG | GBde | d2 cB | ceAc | BdGB | cAGF | G3!fine! :| d | d>fge | f2 ed | d>fge | 
 f2 ed | gfed | edcB | c>dec | !fermata!d2 c/B/A!D.C.! |]  