Compose a musical piece using the given motif and adhering to the outlined musical form.
X:1
L:1/8
Q:1/2=80
M:2/2
K:Bb
['dc B<Fdc', 'dBfe d2 fe dfga bfed'  
X:1
L:1/8
Q:1/2=80
M:2/2
K:Bb
 dc | B<Fdc B2 dc | B<Fdc B2 ed | c<Fed c2 ed | c<Fed cdcB | B<Fdc B2 dc | B<Fdc BcdB | cded cFGA | 
 B2 d2 B2 :: fe | dBfe d2 fe | dfga bfed | cFed c2 ed | cdcB Agfe | dBfe d2 fe | dfga bfed | 
 cdcB AFGA | B2 d2 B2 :|  