Develop a musical composition centered around the provided motif while maintaining the appropriate form.
X:1
L:1/8
M:12/8
K:Bmin
['F2 B BAB d2 e f3', 'd2 e'  
X:1
L:1/8
M:12/8
K:Bmin
|: B2 A | F2 B BAB d2 e f3 | efe efe c2 e a3 | F2 B BAB d2 e f3 | e2 d B2 A B3 :: d2 e | 
 fgf efe ded cdc | B3 dcB A2 F F2 E | F2 B BAB d2 e f3 | e2 d B2 A B3 :|  