Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:6/8
K:D
['Adc A3', 'ABc d2 e fed']  
X:1
L:1/8
M:6/8
K:D
|: Adc A3 | AGE G3 | Adc A3 | GEA GED | Adc A3 | AGE GFG | AGE cde | dcA GED :: ABc d2 e | 
 fed edc | ABc dcd | eaa ged | ABc d2 e | fed efg | age cde | dcA GED :|  