Compose a piece following the given musical structure and incorporating the provided motif.
X:1
L:1/8
M:4/4
K:Bmin
['B2 fzB f2 B']  
X:1
L:1/8
M:4/4
K:Bmin
"Bm" B2 fzB f2 B |"Bm5" =f4 edBA |"Bm" B2 fzB f2 B |"Bm5" =f4 edBA |"Bm" B2 fzB f2 B | 
"Bm5" =f4 edBA |"Bm" B2 fzB f2 B | e8 ||  