Construct a harmonic melody using the outlined chord structure.
'F F2 |1 z'  
X:1
L:1/8
M:2/4
K:none
[K:G] DD/G/ Bd | EE/A/"_c" ce | dF F/E/F | GD D/^C/D | DD/G/ Bd | EE/A/"_c" ce | DF F/E/F | 
 GG G z :|[K:D] A/B/A/F/ G/A/G/E/ | Fd A2 | AG G/F/G | BA A/^G/A | A/B/A/F/ G/A/G/E/ | Fd A2 | 
 AE/F/ GE | DD D z ||[K:G] AA/A/ AB/c/ | ed dG/B/ | dA/B/"_c" cF/A/ | GG G z |:[K:C]"_c" cc cc | 
"_c" cc BA | AG G2 | z G A>G | G"_f"F F2 |1 z"_f" F G>F | FE E2 | z C EG :|2 z"_c" c BA | 
 GG/G/ GG/G/ | GG GG || .B2 .d2 |"_c" .c2 .e2 | ed d/"_c"c/B |"_f" fe e/d/c |"_c" .B2 .d2 | 
 .c2 .e2 | ed d/"_c"c/B | cc c z |]  