Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
M:4/4
K:Dmix
['f2 de']  
X:1
L:1/8
M:4/4
K:Dmix
 D2 FA d2 dB | cAAG Eccd | DEFA dged | cAAG ED (3A,B,^C | DEFA dged | cAAG Ec (3ccc | ABcA d2 ed | 
 cAGE ED (3DDD | d2 fg afge | cdef ge^ce | d2 (3efg agfa | gfga fdfg | a2 df afdf | ge^ce fgfe | 
 d2 (3efg agfa | gfga fdde | f2 de fAgf | eA^cA g3 a | f2 de fafg | fde^c Adde | f2 de fAgf | 
 eA^cA gafg | afge (3B^cd ed | ^cAGE ED (3A,B,^C |]  