Construct a melodic arrangement based on the chord sequence given.
'Gm', 'C', 'Gm', 'C', 'F', 'Gm', 'Bb', 'D7', 'Gm', 'F', 'Gm', 'F', 'Gm', 'D7', 'Gm', 'F', 'Gm', 'Bb', 'C', 'Gm'  
X:1
L:1/8
Q:1/2=112
M:2/2
K:F
|:"^A""Gm" G4 g4 |"C" e6 dc |"Gm" Bc d2"C" c2 B2 |"F" A2 F2 F4 |"Gm" G4 g4 |"Bb" d6 cB | 
"D7" AB c2 B2 A2 |"Gm" G8 ::"^B""F" A3 G/A/"Gm" B3 A/B/ |"F" c6 Bc |"Gm" dcBA G2 g2 | 
"D7" ^f4 d3 e/f/ |"Gm" g2 d2"F" f2 c2 |"Gm" B2 d2"Bb" D2 EF |"C" GFED C2 c2 |"Gm" B4 G4 :|  