Compose a musical piece utilizing the given motif as the foundation while maintaining the required musical form.
X:1
L:1/8
M:4/4
K:Bmin
['BF F2', 'FB B2'  
X:1
L:1/8
M:4/4
K:Bmin
 B2 cA BF F2 | EFAB ceae | fB B2 FBBc | Acef c2 BA | BbbB a2 fe | cfec ecAc | BF F2 ABce | 
 f2 ec B2 BA :: FB B2 Ac c2 | d2 fd eAcA | FB B2 FBBc | Acef c2 BA |1 FB B2 ABce | d2 fd eAcA | 
 B2 fB ecAB | BAdc B2 BA :|2 BbbB a2 fe | cfec ecAc | BF F2 ABce | f2 ec B2 BA ||  