Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:4/4
K:D
['f2 fd edBd']  
X:1
L:1/8
M:4/4
K:D
 f2 fd edBd | f2 fe fg a2 | f2 fd edBd | ABdf efde | f2 fd edBd | f2 fe fg a2 | bf f2 afdB | 
 ABdf efdB | AF F2 EDEF | D2 FD EDEF | AFBF AFEF | defd e2 dB | AF F2 EDEF | D2 FD EDEF | 
 AFBF AFEF | defd efde |]  