Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/16
M:3/4
K:A
['A2zB c4 c3d/c/ BABc d2cd B4 ABcd', 'efec efec'  
X:1
L:1/16
M:3/4
K:A
 A2zB c4 c3d/c/ | BABc d2cd B4 | ABcd e2a2 f2ed | cBAG A2AE C2E2 | A2zB c4 c3d/c/ | BABc d2cd B4 | 
 ABcd e2a2 f2ed | cBAG A6 E2 :: ABcd efec efec | A2de fafd fafd | ABcd efec efec | A2Bc d2B2 G2B2 | 
 A2>c2 efec efec | A2de fafd fafd | ABcd e2a2 f2ed | cBAG A6 E2 :|  