Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:2/2
K:Bb
['BA B2 B,4 FE DF B4 (3dcB', 'B4 FE DFBF DFBF G2 E4 GF']  
X:1
L:1/8
M:2/2
K:Bb
 BA | B2 B,4 FE | DF B4 (3dcB | c2 C4 cB | Ac f4 ga | bagf gfed | ecde BAGF | GBAc Bdce | d2 B4 :: 
 FE | DFBF DFBF | G2 E4 GF | EGcG EGcG | A2 F4 ed | e2 (3gab gfed | ecde BAGF | 
 (3GAB (3ABc (3Bcd (3cde | d2 B4 :|  