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
['ae/d/ ce ec/B/ AA', 'ea fd', 'ee/e/ ea']  
X:1
L:1/8
M:2/4
K:A
|: c/d/ | ea ae/d/ | ce ec/B/ | AA B>B | c/B/c/d/ Bc/d/ | ea/g/ ae/d/ | ce ec/B/ | AA B/^A/B/c/ | 
 A2 A :| c/d/ | ea fd | ea fd | e>c Ac | B/^A/B/c/ Bc/d/ | ea fd | e>a fd | c/e/c/A/ B/d/B/G/ | 
 Ac A || c/d/ | ee/e/ ea | ee/e/ ea | ee f/e/d/c/ | B2- Bc/d/ | ee/4e/4e/ ea | ee/4e/4e/ ea | 
 c'a b/a/g | ac' a ||  