Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:4/4
K:Amix
['cAce a2 ef', 'cAeA cdef']  
X:1
L:1/8
M:4/4
K:Amix
 cAce a2 ef | gedc BcdB | cAce a2 ef | gedB eA A2 :: cAeA cdef | gedc BcdB | cAeA cdef | 
 gedB eA A2 :|  