Develop musical pieces that align with the given chord changes.
'Gm', 'Gm', 'Bb', 'F', 'Gm', 'Gm', 'Dm', 'A7', 'Dm', 'F', 'F', 'Eb', 'G', 'Bb', 'Bb', 'D7', 'Gm'  
X:1
L:1/4
Q:1/2=106
M:2/2
K:Dmin
|:"^A" D |"Gm" G G B d |"Gm" g2 d3/2 e/ |"Bb" f f e d |"F" c/d/c/B/ A D |"Gm" G G B d | 
"Gm" g2 d3/2 e/ |"Dm" f f"A7" e A |"Dm" d3 ::"^B" e |"F" f g/f/ F G |"F" A B c d | 
"Eb" _e f/e/ _E F |"G" G3 A |"Bb" B B d f |"Bb" b2 f3/2 g/ |"D7" a a g ^f |"Gm" g3 :|  