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
['fA dF AG G/F/G ge', 'Ac eg ff/g/ a2 ab/a/ ge', 'dB dB dc c2 gf', 'ff f/g/f ce g/b/b ce']  
X:1
L:1/8
M:2/4
K:D
 A | fA dF | AG G/F/G | ge cA | ed d/c/d | fA dF | AG G/F/G | ge cA | dd"^Fine" d :: B | Ac eg | 
 ff/g/ a2 | ab/a/ ge | d/f/g/f/ dd | Ac eg | ff/g/ a2 | ab/a/ ge | dd"^Dacapo" d ::[K:G]"^Trio" z | 
 dB dB | dc c2 | gf fe | ed d2 | dB dB | dc c2 | gf ef | gb"^Fine" g ::[K:D] A | Ad/e/ ff | 
 f/g/f ce | g/b/b ce | f/a/a d2 | Ad/e/ ff | f/g/f ce | g/b/b ce | dd'"^Dacapo" d' :|  