Construct harmonious tunes in line with the outlined letter symbolism and the presented thematic component.
X:1
L:1/8
Q:1/4=100
M:4/4
K:A
['Ac a2', 'fBBf Ac']  
X:1
L:1/8
Q:1/4=100
M:4/4
K:A
"_MS has time sig as 6/8, Key sig Gmaj" Ac a2 ag/f/ fa | Ac a2 ac/B/ Bc | Ac a2 ag/f/ fa | 
 ca ed/c/ fBBf :: Ac ed/c/ ac ed/c/ | Ac ed/c/ fBBf | Ac e(d/c/) ac ed/c/ | ca ed/c/ acBc ::  