Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/16
M:8/16
K:D
['A2B A2G'  
X:1
L:1/16
M:8/16
K:D
|: A2B A2G FG | A3 d3 f2 | A2B A2G FE |1 E3 D3- D2 :|2 E3 D3 cd | e3 e3 de | f3 f3 ef | 
 g2f e2d cB | B3 A3 BA | G3 G3 AG | F3 F3 GF | E2F G2A Bc ||1 d3 d3 cd :| d3 d3- d2 ||  