Compose a piece of music following the given chord progression.
'Dm', 'Dm7', 'Dm6', 'Bbm', 'F', 'Dm7', 'Gm7', 'C+7', 'F', 'F', 'Bbm', 'F', 'Bbm', 'F', 'C7', 'F'  
X:1
L:1/8
M:4/4
K:Dmin
|:"Dm" D4 A4- |"^DmM7" A4 GF G2 |"Dm7" A8- |"Dm6" A4 GF"Bbm" G2 |"F" A4"Dm7" C4- | 
"Gm7" C4"C+7" C D2 F- |"F" F8- |1"^Gm/E   A7" F8 :|2"^F        C7" z8 |:"F" FGAB c4 | 
"Bbm" _dc B2"F" c4 |"Bbm" BA G2"F" A4 |"C7" GF E2"F" F4 :|  