Construct a melodic structure using the supplied chord sequence.
'Gm', 'Gm', 'F', 'Gm', 'C', 'Gm', 'F', 'Gm'  
X:1
L:1/8
M:4/4
K:Gdor
"Gm" G8 |:"Gm" G c2 B c2 BA | G B2 A B2 AG |"F" F B2 A Bc AF |"Gm" GABc"C" dcc z | 
"Gm" G c2 B c2 BA | G B2 A B2 AG |"F" F B2 A Bc AF |"Gm" G3 F EF G2 :|  