Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:2/2
K:Bb
['B>(ba>)b (g>e)c>B A>(f=e>)f (d>B)A>F _E>(ed>)e (d>B)A>B (3cdc', 'g)(cBc _b)(c=Bc']  
X:1
L:1/8
M:2/2
K:Bb
 B>(ba>)b (g>e)c>B | A>(f=e>)f (d>B)A>F | _E>(ed>)e (d>B)A>B | (3cdc (3BAG (3FGF (3EDC | 
 B>ba>b g>ec>B | A>f=e>f d>BA>F | E>ed>e d>cG>A | c2 [DB]2 [DB]2 z2 ||[K:F] E(c=Bc) e(cBc) | 
 f(c=Bc g)(cBc | _b)(c=Bc a)(cBc | e)(c=Bc g)(cBc | E)(c=Bc e)(cBc | f)(c=Bc g)(cBc | 
 _b)(c=Bc a)(cBc) | [Af]2 [Af]2 [Af]2 z2 ||  