Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:2/4
K:D
['(d/c/) dDFA']  
X:1
L:1/8
M:2/4
K:D
 (d/c/) |"D" dDFA | dDD (d/c/) | dDFA |"A" eEE (d/c/) |"D" dDFA |"G" Bgfe |"A" d/c/B/A/ B/c/d/e/ | 
"D" fdd :: (f/g/) |"D" a>f"A"g>e |"D" fdd (f/g/) |"D" a>f"G" (g/f/g/a/) |"A" bee (f/g/) | 
"D" a>f"G"g>e |"D" fd"A"e>c |"G" d/c/B/A/"A" B/c/d/e/ |"D" fdd :|  