Develop a musical composition centered around the provided motif while maintaining the appropriate form.
X:1
L:1/8
M:2/2
K:Bb
['BB/B/ B2', 'F2{G} FE'  
X:1
L:1/8
M:2/2
K:Bb
 FA | BB/B/ B2 BB/B/ B2 | FBdf bfdB | FF/F/ F2 FF/F/ F2 | CFAc ecAF | BB/B/ B2 BB/B/ B2 | 
 FBdf bagf | =eceg bgeg | f2 a2 f2 :| z2 | df/f/ f2 df/f/ f2 |{a} gfgb f3 f | gfed edcB | 
 AdcA F2{G} FE | DFBd F2{G} FE | DFBd F2{G} FE | DFAc ecAc | B2{c} BA B2 d2 | ff/f/ f2 df/f/ f2 | 
{a} gfgb f3 f | gfed edcB | AdcA F2{G} FE | DFBd F2{G} FE | DFBd F2{G} FE | DFAc ecAc | 
 B2{c} BA B2 |]  