Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:2/4
K:D
['cA Ad', 'A Ad df f2- f d ce']  
X:1
L:1/8
M:2/4
K:D
 A | Ad dd | e/d/c/d/ eg | fd Be | d2 cA | Ad dd | e/d/c/d/ e>d | cA B^G | A2 z d | cA Ad | cA Ad | 
 ce gf | f2 ed | cA Ad | cA a>d | cd ec | d2- d |]: A | Ad df | f2- f d | ce eg | g2- g e | 
 f>e dc | dB AG | Fd Ec | d2- d :|  