Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/4
M:4/4
K:D
['C D']  
X:1
L:1/4
M:4/4
K:D
"D" A, D C D |"A7" E3/2 C/ A,2 | A3/2"D" A/ F A |"G" B3/2 c/ d c/B/ |"D" A A F E |"Bm" D2 C D | 
 D D"B" G F |"A7" E3 A, |"D" A, D C D |"A7" E3/2 C/ A,2 | A3/2"D" A/ F A |"G" B3/2 c/ d c/B/ | 
"D" A A F E |"Bm" D2 C D |"A7" E G E C |"D" D3 (3A/B/c/ || d2 A (3A/B/c/ | d2 A (3A/B/c/ | 
 d3/2 e/ f d |"G" B3 c | d2 c2 | B2"D" A2 |"A7" G A/G/ F G/F/ |"A7" E C A,2 |"D" A, D C D | 
"A7" E3/2 C/ A,2 |"D" A3/2 A/ F A |"G" B3/2 c/ d c/B/ |"D" A A F E |"Bm" D2 C D |"A7" F G E C | 
"D" D4- | D4 ||  