Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:4/4
K:D
['dc BcBA FGAF E2 ED EGFE D2']  
X:1
L:1/8
M:4/4
K:D
 dc |"D" BcBA FGAF |"A" E2 ED EGFE |"D" D2 DE FDFA |"A" B2 E2 E2 dc |"D" BcBA FGAF | 
"A" E2 ED EGFE |"D" D2 DE FGAG |"D" F2 D2 D2 ::"D" AG | FDFA d2 cd |"A" efed cABc |"D" d2 cd BAFA | 
"A" B2 E2 E2 cd | efed"G" BcdB |"D" A2 FD"A" EGFD |"D" D2 DE"A" FGAG |"D" F2 D2 D2 :|  