Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
Q:1/4=100
M:2/2
K:G
['(G/A/B/c/ d)g dBGB cABG F D2 F', 'd2 g', 'G2 [M:2/2][K:F][Q:1/4=100] g (a/g/f/g/ a)f gecf edcB', 'c3 B ABc_e (d/c/B/c/ d)B GBdf ec=Bc']  
X:1
L:1/8
Q:1/4=100
M:2/2
K:G
 (G/A/B/c/ d)g dBGB | cABG F D2 F | E C2 E cE-Ec | (B/c/d) DF G2 G2 :: g d2 g bddB | f c2 f accA | 
 BGcA dBge | f/g/a Ac d2 d2 | g d2 g bBBd | c A2 c aAAc | BGcA dBgc (B/c/d) DF G2 G2 :| 
[M:2/2][K:F][Q:1/4=100] g | (a/g/f/g/ a)f gecf | edcB AGFg | afda gecf | edc=B c3 :: B | 
 ABc_e (d/c/B/c/ d)B | GBdf ec=Bc | bgec afcB | ABcE{E} F3 :|  