Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/16
M:2/4
K:A
['', '.A.B .c.B.A.G .A.B.c.d .e2.^d2.e2.f2 .e2(AB) .c.B.A.G .A.c.e.c', 'ecfe dBed']  
X:1
L:1/16
M:2/4
K:A
 [CA] | !fermata![CA]8 |: .A.B | .c.B.A.G .A.B.c.d | .e2.^d2.e2.f2 .e2(AB) | .c.B.A.G .A.c.e.c | 
 B2E2 E2(AB) | cBAG ABcd | e^def e2(cB) | AFBA GE ed | c2A2 [CA]2 :: (cd) | ecfe dBed | 
 c2A2 A2(cd) | ecfe ^dBba | g2e2 e2(cd) | ecfe dBed | cAdc BGcB | AFBA GE ed | c2[CA]2[CA]2 :|  