Construct a harmonic composition in line with the outlined chord pattern.
'Gm', 'Eb', 'Bb', 'C7', 'Gm', 'Eb', 'C6', 'D7', 'Gm'  
X:1
L:1/8
Q:1/2=100
M:4/4
K:Bb
 D2 |"Gm" G2 (GA) B2 (cB) |"Eb" A2 G2 E2 Bc |"Bb" d3 c (dG)(GA) |"C7" B2 c4 Bc |"Gm" d3 c d2 F2 | 
"Eb" GG(GA) B2 cB |"C6" A2 G2"D7" (D=E) F2 |"Gm" (G3 F) G2 ||  