Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:2/4
K:A
['=c2 e4 d2']  
X:1
L:1/8
M:2/4
K:A
 AA=fe | dd =c2 | ddde | AA =G2 | =c2 e4 | d2 A4 | =c2 e4 | d2 d3 A | A2 z2 z2 |]  