Create musical pieces that follow the designated structure and incorporate the provided musical motif.
X:1
L:1/8
Q:1/2=80
M:2/2
K:Bb
['f>ed>c BdFB d2 cB', 'AcFA c2 BA'  
X:1
L:1/8
Q:1/2=80
M:2/2
K:Bb
 (3edc | B>ba>g f>ed>c | BdFB d2 cB | AcFA c2 BA | BFGA Bcde | f>ba>g f>ed>c | BdFB d2 cB | 
 ABcd efga | b2 B2 B2 :: (3dcB | AcFA c2 BA | BdFB d2 cB | AcFA c2 BA | BFGA Bcde | f>ba>g f>ed>c | 
 BdFB d2 cB | ABcd efga | b2 B2 B2 :|  