Develop musical pieces by incorporating the given chord changes.
'Bm', 'G', 'Bm', 'A', 'Bm', 'G', 'Bm', 'A', 'Bm', 'G', 'Bm', 'A', 'Bm', 'A', 'G', 'F#m', 'A', 'D', 'G', 'A', 'D', 'G', 'A', 'Bm/G', 'A', 'D', 'G', 'A', 'Bm', 'A', 'G', 'F#m', 'A'  
X:1
L:1/8
M:4/4
K:Bmin
"Bm" fB B2 fB"G"gB |"Bm" fB B2"A" edce |"Bm" fB B2 fB"G"gB |"Bm" fB B2"A" edcA | 
"Bm" fB B2 fB"G"gB |"Bm" fB B2"A" edcd |"Bm" fe"A"de"G" gf"F#m"ef |"A" fage fdec | 
"D" d2 de"G" dBGB |"A" dega eA A2 |"D" dedB"G" GBdB |"A" Acec"Bm/G" BA"A"Bc |"D" dedB"G" GBdB | 
"A" Acec a2 ^ga |"Bm" fe"A"de"G" gf"F#m"ef |"A" fage fded |]  