Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:4/4
K:Bmin
['f2 (Bf){c}', '(FB)Bc{c} dBcA (EA)AB (cd)ec']  
X:1
L:1/8
M:4/4
K:Bmin
 g | f2 (Bf){c} dBfB | f/^g/a (ef) cAec | f2 (Bf){c} dBed | ec{^g}ac B/B/B B :| A | 
 (FB)Bc{c} dBcA | (EA)AB (cd)ec | (FB)Bc{c} dBdb | afec B/B/B BA | (FB)Bc{c} dBcA | (EA)AB (cd)ec | 
{c} dBdb cAce |{c} dfec B/B/B B |]  