Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:4/4
K:D
['(3Bcd ed cA A2 (3Bcd ef g3', 'A2 FA'  
X:1
L:1/8
M:4/4
K:D
 (3Bcd ed cA A2 | (3Bcd ef g3 a | fded ed (3Bcd | ea a2 aged | (3Bcd ed cA A2 | (3Bcd ef g3 e | 
 cdef gece | dfec d3 z :| FA A2 adfa | dfaf bfag | fdBd A2 FA | BdAF EGFE | DF F2 A2 FA | 
 dfaf bfag | fdBd A2 FA | BdAG FD D2 :|  