Compose a piece incorporating the provided motif while adhering to the given musical structure.
X:1
L:1/8
Q:3/8=120
M:6/8
K:Bb
['F B>cB F>fd ecB AGF BcB Ffd', 'cAF d2 d', 'B3 baf fdf edc fdB bag fdf'  
X:1
L:1/8
Q:3/8=120
M:6/8
K:Bb
 F | B>cB F>fd | ecB AGF | BcB Ffd | ecA B3 :: cAF d2 d | ecA fdB | cAF d2 d | ecA B3 :: baf fdf | 
 edc fdB | bag fdf | ecA"^cr" B3 ::  