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
['DFAd f2 fe dcde fdAF G2 FG', 'cdeg f2 fa gfed cAAG A2 EG']  
X:1
L:1/8
M:4/4
K:D
|: DFAd f2 fe | dcde fdAF | G2 FG E2 EF | GBAF EA,CE | FD D2 FAGA | BG G2 Bcdg | fgaf gecd |1 
 eddc dBAF :|2 eddc d2 Ad |: fddc dfaf | gfed cdeg | f2 fa gfed | cAAG A2 EG | FDA,D FA A2 | 
 BG G2 Bcdg | fgaf gecd |1 eddc d2 Ad :|2 eddc d4 ||  