Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
Q:1/8=232
M:4/4
K:G
['G2 GB A2 Ac dB', 'gf ed']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:G
|: D2 | G2 GB A2 Ac | dB cA GF ED | G2 GB A2 Ac | dB cA G2 :: d2 | ga gf ed eg | ab af gf ed | 
 ga gf ed eg | ab af g2 :|  