Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
M:4/4
K:D
['eA AB AG EF GA', '', 'ea af gf ed']  
X:1
L:1/8
M:4/4
K:D
|: e2 | eA AB AG EF | GA GE DE GA | eA AB AG EF | GA GE D2 :| cd |: ea af gf ed | ef ed gBBg | 
 ea af gf ed |1 ef ed ga/g/ fg :|2 (3=cBA BG A2 ||  