Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:6/8
K:Dmix
['DFA GFE EDD CDE', 'DFA dAA']  
X:1
L:1/8
M:6/8
K:Dmix
|: DFA GFE | EDD CDE | =FEF GFG | A/B/cA dAF | DFA GFE | EDD CDE | =FAc GEC | D/E/D^C D2 A, :: 
 DFA dAA | BAB AFD | DFA dAA | B/^c/dB ABc | dBd cAc | BGB AFD | DFA G/F/EC |1 DED D2 A, :|2 
 DED D3 ||  