Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/4
Q:1/8=232
M:4/4
K:G
['g2 d2 e3/2 f/ g e d3/2', 'd g']  
X:1
L:1/4
Q:1/8=232
M:4/4
K:G
|: g2 d2 | e3/2 f/ g e | d3/2 e/ d B | d A A z | g2 d2 | e3/2 f/ g e | d3/2 e/ d A | B G G z :: 
 d g b a | g d g f | e c g e | e d d2 | d e d c | B d g2 | g b d' b | b a a z :|  