Craft a musical composition following the provided chord structure.
'Gm', 'Dm', 'Bb', 'F', 'Gm', 'F', 'Dm', 'D', 'Gm', 'Dm', 'F', 'Dm', 'Gm', 'Bb', 'F', 'Gm', 'Gm', 'F', 'Gm', 'Dm', 'Gm', 'F', 'Dm', 'D', 'Gm', 'Bb', 'F', 'Dm', 'Gm', 'F', 'Bb', 'F', 'Gm'  
X:1
L:1/4
Q:1/4=173
M:3/4
K:C
 z2 D |"Gm" G G A/G/ |"Dm" F G A |"Bb" d d/c/ A/G/ |"F" F G A |"Gm" G G A/G/ |"F" F G A | 
"Dm" d f e |"D" d2 c/c/ |"Gm" d d g |"Dm" d e f |"F" A/c/ d/c/ A/G/ |"Dm" F G A |"Gm" G G A/G/ | 
"^F" F G A |"Bb" d d/c/"F" A |"Gm" G2 c/A/ ||"Gm" G G A/G/ |"F" F G A |"Gm" d d/c/ d/c/ | 
"Dm" A c c/A/ |"Gm" G G A |"F" F F G |"Dm" d d c |"D" d2 c |"Gm" d d g |"Bb" d e f | 
"F" A c/A/ G/F/ |"Dm" D2 D |"Gm" G G A |"F" F F G |"Bb" d d/c/"F" A |"Gm" G2 z |] 
"^Gm last time" G3 |]  