Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/16
M:2/4
K:D
['AFDF A2dc BABd e2de fgfe', 'f2d2d2 fg afdf a2gf gfga b2ag fgaf'  
X:1
L:1/16
M:2/4
K:D
 (dB) | AFDF A2dc | BABd e2de | fgfe fgfe | defd B2dB | AFDF A2dc | BABd e2de | fgfe dfag | 
 f2d2d2 :: fg | afdf a2gf | gfga b2ag | fgaf dfgf | gefd B2dB | AFDF A2dc | BABd e2de | fgfe dfag | 
 f2d2d2 :|  