Construct a harmonic melody using the outlined chord structure.
'Bb', 'C', 'Dm', 'Gm', 'C', 'Dm', 'Am', 'Bb', 'C', 'Dm', 'Gm', 'C', 'Dm', 'Bb', 'C', 'Dm', 'Bb', 'C', 'F', 'Am', 'Bb', 'C', 'Dm', 'Bb', 'C', 'Dm'  
X:1
L:1/8
M:2/2
K:Dmin
"^A" de |"Bb" f2 f2"C" e2 dc |"Dm" dfdA- ABcB- |"Gm" BAGF"C" c2 c2 |"Dm" dfdA-"Am" AAde | 
"Bb" f2 f2"C" e2 dc |"Dm" dfdA- ABcB- |"Gm" BAGF"C" EFED- |"Dm" D6 ::"^B" DE |"Bb" FEDF"C" GFGA- | 
"Dm" ABAG FG A2 |"Bb" B2 B2"C" G2 FG |"F" ABAG-"Am" GF E2 |"Bb" FEDF"C" GFGA- |"Dm" ABAG FG A2 | 
"Bb" B2 B2"C" GFED- |"Dm" D6 :|  