Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:2/4
K:G
['G>A BG AG', 'd>e dB AG']  
X:1
L:1/8
M:2/4
K:G
 G>A BG | AG BG | G>A BG | AG ED | G>A BG | AG Bd | G>A GE | ED D2 :: d>e dB | AG AB | d>e dB | 
 AG E2 | d>e dB | AG AB | G>A GE | ED D2 :|  