Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:4/4
K:D
['B,DA,B, D2 DE FAAA dABd A2 FD', 'Bdde defe defd e2 df e2 fe']  
X:1
L:1/8
M:4/4
K:D
 DFED B,DA,B, | D2 DE FAAA | dABd A2 FD | EAFD EDB,A, | D3 D B,DA,B, | D2 DE FAAA | dABd A2 FD |1 
 EAFE D2 A,B, :|2 EAFE D3 e |: defe d3 A | BdAd Bdde | defe defd | e2 df e2 fe | defe d3 A | 
 BdAd Bdde | dABd AFDF |1 EDFE D3 e :|2 EDFE D2 A,B, ||  