Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:4/4
K:D
['FAdf edef dABd gBdg fAdf', 'gBdg fAdf', 'daed ddbg dbgd cdac dacd B3 A']  
X:1
L:1/8
M:4/4
K:D
 A2 AG FAdf | edef dABd | gBdg fAdf | e3 d cBAG | A3 G FAdf | edef dABd | gBdg fAdf | edef d4 :: 
 gBdg fAdf | edef dABd | gBdg fA (d2 | d)cAG FAdf | gBdg fAdf |1 edef dABd | gBdg fAdf | 
 eded d3 f :|2 edef dDAD | ABde fgaf | edef d3 A |: d2 af dafd | edaf daed | ddbg dbgd | 
 cdac dacd | B3 A Bcde | f2 f2 edBG | ABde fgaf | edef d4 :|  