Produce a music piece that aligns with the mentioned musical structure and theme.
X:1
L:1/8
M:4/4
K:D
[':|2 faef']  
X:1
L:1/8
M:4/4
K:D
 B | AAAf edBd | AAAB dedB | AAAf edBg |1 faef dedB :|2 faef dd d | g | fedf edBg | fefg adag | 
 fedf edBg ||1 fdaf edBg :|2 faef d2 d |]  