Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:2/4
K:C
['G cc/c/ ce g3 (e/f/ g)(e/f/ g)(e/f/', 'z (d/e/ f)dBG cege fda>g g3 (e/f/', '(Ac)(cf) f3 a', 'Ac(fe) dGAB', 'g2 ecde']  
X:1
L:1/8
M:2/4
K:C
 G | cc/c/ ce | g3 (e/f/ | g)(e/f/ g)(e/f/ | g3) (f/g/ | a)d d(e/f/ | g)c c(d/e/ | f).G.B.d | 
 c2 z :: (d/e/ | f)dBG | cege | fda>g | g3 (e/f/ | g)GBd | ceGe | fGBd | e2 z ::[K:F] c | 
 (Ac)(cf) | f3 a | g2 ec | a2 fc | (Ac)(cf) | f3 a | gcde | f2 z ::[K:C] G | EG (cB) | Ac(fe) | 
 dGAB | ce g2 | EG(cB) | Ac(fe) | dGAB | c2 z ::[K:F] c | ff/f/ ff | ef g2 | ecde | fg a2 | 
 ff/f/ ff | ef g2 | ecde | f2 z :|  