Craft musical works that follow the given chord alterations.
'Gm', 'F', 'D', 'Bb', 'F', 'Gm', 'F', 'G'  
X:1
L:1/4
M:2/2
K:Gmin
|:"Gm" G G B A/G/ |"F" A A c B/A/ | G G B A/G/ |"D" d d d2 ::"Bb" f d B3/2 d/ |"F" c A F3/2 A/ | 
"Gm" B G"F" F3/2 A/ |"G" G G G2 :|  