Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/16
Q:1/4=90
M:2/4
K:A
['A2ag fefa', 'A2cA eAcA'  
X:1
L:1/16
Q:1/4=90
M:2/4
K:A
"^reel" A2ag fefa | c2cB cdcB | A2ag fefa | bagf edcB | A2ag fefa | cdcB c2e2 | fgfe cefg | 
 afec BdcB || A2cA eAcA | c2cB cdcB | A2cA eAcA | B2BA BdcB | A2cA eAcA | cdcB c2e2 | fgfe cefg | 
 afec BdcB ||  