Produce a music piece that aligns with the mentioned musical structure and theme.
X:1
L:1/8
M:4/4
K:D
['D2 FD A,DFA', 'fagf e2 ge BAED CEAc egfe d2'  
X:1
L:1/8
M:4/4
K:D
 D2 FD A,DFA | dcBA ^GAFD | E2 GE B,EGB | edcB AGFE | D2 FD A,DFA | dDcD BDAf | gefd AcdB |1 
 AFGE FDDE :|2 AFGE FDFA |: d2 fd AdFA | DFAd fagf | e2 ge BAED | CEAc egfe | d2 cd AdFA | 
 DFAd fagf | gefd ecdB |1 AFGE FDFA :|2 AFGE FDDE ||  