Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/4
M:2/2
K:D
['A B/c/ d d c B A2', 'A TA2', 'f/g/ a g/f/', 'g g']  
X:1
L:1/4
M:2/2
K:D
 A B/c/ | d d c B | A2 (B/c/) d | (c/d/) e A c | d2 :: f A | TA2 g A | TA2 f A | TA2 a A | 
 TA2 c/d/ e | B/c/ d ^G/A/ B | TA2 E A | TA2 D G | TG2 F E | D/B/d/e/ e c | d2 :: f/g/ | 
 a g/f/ e/f/g/e/ | f e/f/ d f/g/ | a g/f/ e/f/g/e/ | Tf3 :: e/f/ | g g g g | Tg f f f | Tf e e f | 
 e d/c/ B e | c B/d/ A e/d/ | B e/d/ c f/e/ | d g/f/ e a/g/ | f/e/d/e/ A{d} c | d2 :|  