Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:4/4
K:Bb
['F B>cBF D/E/F/D/ B,>D E>F G/F/E/D/ E>Cc>G', 'f2 e/d/c/B/']  
X:1
L:1/8
M:4/4
K:Bb
 F | B>cBF D/E/F/D/ B,>D | E>F G/F/E/D/ E>Cc>G | B<F G>B F>BE>g | f>B e/d/c/B/ F<B B :| g | 
 f2 e/d/c/B/ f>Bb>B | e>f e/d/c/B/ A<c c>g | f2 e/d/c/B/ f>Bb>B | f<B e/d/c/B/ F<B B>g | 
 f2 e/d/c/B/ f<B b>d | e>f e/d/c/B/ A<c c>d | B>cB>F D/E/F/D/ B,>g | f>B e/d/c/B/ F<BB ||  