Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:4/4
K:D
['D/D/D FD A,DFD GBAF', 'D A d2 (cd) BdAF GBAF E/E/E']  
X:1
L:1/8
M:4/4
K:D
 A, | D/D/D FD A,DFD | GBAF E/E/E EF | D/D/D FD A,DFD | GBAF D/D/D DA, | D/D/D FD A,DFD | 
 GBAF E/E/E Ec | d2 (cd) BdAF | GBAF D/D/D D || A | d2 (cd) BdAF | GBAF E/E/E Ec | d2 cd Bcde | 
 fdef d/d/d de | fedc Bcdf | edcB ABcA | dcdA Bcdf | edef d/d/d d ||  