Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:3/4
K:Ddor
['Ad ^c2 d2 e2 e4 de f2', 'a2 ag a2 f2 fe f2']  
X:1
L:1/8
M:3/4
K:Ddor
 Ad ^c2 d2 | e2 e4 | de f2 ed | e2 e4 :: a2 ag a2 | f2 fe f2 | a2 ag a2 | f2 fe f2 | f3 e ^c2 | 
 d6 :|  