Construct a musical composition using the provided motif and maintain the designated form.
X:1
L:1/8
M:4/4
K:Bmin
['B3 G EF GF EB BB =cB', 'f2 fd ed'  
X:1
L:1/8
M:4/4
K:Bmin
 B3 G EF GF | EB BB =cB AG | A2 AF DF AD | FA DF de d=c | B3 G EF GF | EB BB =cB AG | 
 A2 AF DF AD |1 BA GF EF GA :|2 BA GF EF GB || eB BB e2 gf | eB BB ef ge | fd cd AG FA | 
 DF Ad fe dB | eB BB e2 gf | eB BB ef ge | a2 af g2 ge |1 f2 fd ed cd :|2 f2 fd ed =cA ||  