Design a music composition that employs the provided motif and follows the predetermined musical form.
X:1
L:1/8
M:4/4
K:Bb
['BFDF B2 AB cAFA c2 Bc dcBA', 'B2 f=e f_edc =BGAB c=Bcd e2 ed'  
X:1
L:1/8
M:4/4
K:Bb
 F/4G/4A/ | BFDF B2 AB | cAFA c2 Bc | dcBA GABc | A2 F2 F2 GA | BFDF B2 AB | cAFA c2 Bc | 
 dcBA GcAF | B2 B2 B2 :: f=e | f_edc =BGAB | c=Bcd e2 ed | edcB AFGA | B>ABc dfec | BFDF B2 AB | 
 cAFA c2 Bc | dcBA GcAF | B2 B2 B2 :|  