Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:6/8
K:D
['F2 D DFA dAF AFD', 'D2 (a/g/) f2 d dfa afd dfa']  
X:1
L:1/8
M:6/8
K:D
 A/G/ | F2 D DFA | dAF AFD | EGE CEC | EGE CEG | F2 D DFA | dAF AFD | GBG EFG | AFD D2 :: (a/g/) | 
 f2 d dfa | afd dfa | e2 c ceg | gec efg | faf edc | dcB AFA | (B/c/)dB AFA | dAF D2 :|  