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:Bmin
['B/B/B fd gecf', 'dBBf bfdb geca fdBf']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:Bmin
|: f | B/B/B fd gecf | dfdB ^AcAF | dBfd gec^a | bfge dBBf | B/B/B fd gecf | df dB ^AcAF | 
 dBfd gec^a | bfge dBBf || bfdb geca | fdBf ec^AF | Bdce dfeg | fdec dBBf | bfdb geca | 
 fdBf ec^Ac | dBcd fdeg | fedc dBB ||  