Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
M:4/4
K:D
['de fddc', 'faaf e2 de fddc BAFG ABAF A2']  
X:1
L:1/8
M:4/4
K:D
"D" de | fddc BAFG | ABAF A2 de | fddc BABd |"A" efed e2 de |"D" fddc BAFG | ABAF A2 de | 
 f2 a2 ge"A"ce |"D" d2 d2 d2 ::"D" fg | afaf afde | fdfd f2 de | f2 fe faaf | feef"A" e2 de | 
"D" fddc BAFG | ABAF A2 de |"F" f2 a2 gec"A"e |"D" d2 d2 d2 :|  