Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
Q:3/8=90
M:6/8
K:Bb
['F FBB']  
X:1
L:1/8
Q:3/8=90
M:6/8
K:Bb
 F | FBB BAB | c2 A F2 F | Fcc c>de | f2 d B2 f/e/ | d>ef fed | g2 e c2 c/d/ | ede edc | 
 f2 d B2 F | FBB Acc | dBB ecc | d>ef e>dc | (B3 B2) F | FBB Acc | dBB ecc | d>ef edc | (B3 B2) :|  