Compose a musical piece utilizing the given motif as the foundation while maintaining the required musical form.
X:1
L:1/8
M:2/4
K:Bb
['B/c/d/e/ fb g2', 'D/E/F/G/ FB A/B/c/d/ ce dc/B/'  
X:1
L:1/8
M:2/4
K:Bb
 F | B/c/d/e/ fb |"^tr" g2 fc | dABF | DB,DF | B/c/d/e/ fb | g2 fb | (a/g/)(a/g/) c=e | 
"^tr" (f2 f) :: F | D/E/F/G/ FB | A/B/c/d/ ce | dc/B/ cB/A/ | BFDB, | D/E/F/G/ FB | A/B/c/d/ ce | 
 dc/B/ FA | (B2 B) :|  