Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:3/4
K:G
['D2 D/E/F GA B2 BG Bc A2']  
X:1
L:1/8
M:3/4
K:G
|: D2 D/E/F GA | B2 BG Bc | A2 AG AB | G2 G2 z2 | D2 D/E/F GA | B2 BG Bc | A2 AG AB | G2 G2 d2 | 
 e2 ef gf/e/ | d2 B2 Bd | c2 A2 Ac | B2 G2 Bd | e2 ef g/f/e | d2 B2 gg | f2 d2 ba | g6 :|  