Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:4/4
K:D
['D2 (3FED ADFD defd BABc dBBA', 'fefg afdf gfed cdef', 'e fdec d3 e fded Be e2'  
X:1
L:1/8
M:4/4
K:D
 D2 (3FED ADFD | defd BABc | dBBA dBBA | FADE FE E2 | D2 (3FED ADFD | defd BABc | dBBA FAdB | 
 AFGE FD D2 :: ABde fefg | afdf gfed | cdef gebe | gebe gfef | dcde fefg | afdf gfed | cdef gbag | 
 fdec d3 e || fdec d3 e | fded Be e2 | dBBA dBBA | FADE FE E2 | D2 (3FED ADFD | defd BABc | 
 dBBA FAdB | AFGF FD D2 :|  