Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
Q:1/2=60
M:4/4
K:Bb
['B2 B,2 DFBd c2 F2 F2 GA']  
X:1
L:1/8
Q:1/2=60
M:4/4
K:Bb
 (3FGA | B2 B,2 DFBd | c2 F2 F2 GA | BFdB cAec | dBfd gecA | B2 B,2 DFBd | c2 F2 F2 GA | 
 Bbag fedc | B2 B2 |]  