Create a composition based on the provided motif while adhering to the necessary musical structure.
X:1
L:1/8
Q:1/8=128
M:4/4
K:Bb
['df f>g fd']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:Bb
|: B,B B>d c>B c>d | B<c G<B F>D C2 | B,B B>d c>B c>d | B>F G<B FD B,2 | B,B B>d c>B c>d | 
 B<c G<B F>D C2 | B,B B>d c>B c>d | B>F G<B FD B,2 | df f>g fd cB | df f>g fd c2 | df f>g fd c<d | 
 B>F G<B FD B,2 | df f>g fd cB | df f>g fd c>e | d<f c<d B>c d>c | B>F G<B FD B,2 :|  