Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:9/8
K:D
['FGE D2', 'dcd edc']  
X:1
L:1/8
M:9/8
K:D
|: d | AB/A/G FGE D2 B | AFD DF/G/A B2 d | ABG FGE D2 A | dd/e/f edc B2 :| A | dcd edc BAF | 
 dcd edc B2 A | dcd edc BAF | AFD DFA B2 c | d2 d edc B2 A | dcd edc d2 d/e/ | fdd edc dB/c/d | 
 AFF DF/G/A B2 ||  