Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:2/4
K:Bb
['.d2 c2', 'F/F/F/F/ FB FB d2 dc']  
X:1
L:1/8
M:2/4
K:Bb
"Bb" FF/F/ Fd | Bd f2 |"F7" ee/d/ cF |"Bb" dd/c/ B2 |"F" FF/F/ Fc | Ac f2 |"F7" e2 dc | 
"Bb" BB B z ::"Bb" .d2"G7" .d2 |"Cm" !>!e4 |"F7" c2 d>c |"Bb" BF F2 | .d2"G7" .d2 |"Cm" !>!e4 | 
"F7" c2 dc |"Bb" B2 z2 ::[K:F]"F" c>d cB | AG F2 |"C7" E>d c>E |"F" FA c2 | c>d cB | AG F2 | 
"C7" E>d c>E |"F" FA F z ::[K:Bb]"Bb" F/F/F/F/ FB | FB d2 |"F7" dc cA |"Bb" cB F2 | F/F/F/F/ FB | 
 FB d2 |"F7" dc dc |"Bb" B2 z2 :|  