Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/4
Q:1/2=90
M:2/2
K:F
['B/A/ B2', 'F a ^f/g/a/f/ d/c/B/A/ B G2 g', 'A d']  
X:1
L:1/4
Q:1/2=90
M:2/2
K:F
 A | d/^c/ d2 e | f e/d/ ^c a | B/A/ B2 d | G F/E/ F d | B/A/ B2 g | c/B/ c2 b | a f c e | f2 F |: 
 a ^f/g/a/f/ d/c/B/A/ | B G2 g | e/f/g/e/ c/B/A/G/ | A F2 f/g/ | a/f/e/d/ b a/g/ | a ^c d G | 
 F d E ^c |[M:3/4][K:D] d2 D |: A | d f d | a a/g/f/e/ | d/c/ d e | A2 A | d d/e/ d | e e/f/ e | 
 f g/f/e/d/ | a2 |:  