Construct a musical piece that follows the designated lettered structure and integrates the provided motif throughout.
X:1
L:1/8
M:2/4
K:Bb
['B/B/B FB', 'Bd f>d BA cB/B/ Be GG G', 'c/c/c BA GF Ee e']  
X:1
L:1/8
M:2/4
K:Bb
"Bb" d/d/d"F7" c/c/c |"Bb" B/B/B FB |"F7" A/A/A FA |"Bb" B/B/B FB | d/d/d"F7" c/c/c | 
"Bb" B/B/B FB |"F7" Ac c>A |"Bb" BB B z ::"Eb" g>g fe |"Bb" f>f ed |"F7" BA A/B/c |"Bb" cB B/c/d | 
"Eb" g>g fe |"Bb" f>f ed |"F7" BA A/B/c |"Bb" BB B z ::[K:Eb]"Eb" GG/G/ Be | g>e BG | 
"Bb7" GF/F/ FG | AA A2 | AA/A/ Bd | f>d BA |"Eb" cB/B/ Be | GG G z | GG/G/ Be | g>e BG | 
"Bb" GF/F/ FB | dd d>d |"F7" e/e/e fe |"Bb" d/d/d ed |"F7" c/c/c fe |"Bb" dd d z :: 
"Eb" e/e/e e/e/e |"F7" ed f2 |"Bb7" f/f/f f/f/f |"Eb" fe g2 | B/B/B e/e/e |"Fm" F/F/F c/c/c | 
"Bb7" BA GF |"Eb" Ee e z :|  