Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
Q:1/8=128
M:4/4
K:Bb
['F2 Ff ed cB cd B2 F2', 'ed cB', 'ed cB']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:Bb
|: F2 | Ff ed cB cd | B2 F2 G2 FE | DF Bd fd cB | cB AB c2 F2 | Ff ed cB cd | B2 F2 G2 FE | 
 DF Bd c3 B | B6 :| BA | GA Bc FA Bc | Fc de d2 ef | gb ge fb dB | ed cB c2 F2 | Ff ed cB cd | 
 B2 F2 G2 FE | DF Bd c3 B | B6 |: BA | GA Bc FA Bc | Fc de d2 ef | gb ge fb dB | ed cB c2 F2 | 
 Ff ed cB cd | B2 F2 G2 FE | DF Bd c3 B | B6 :|  