Create a musical piece that integrates the provided motif and follows the prescribed alphabetical structure.
X:1
L:1/16
M:2/4
K:Bb
['.B2(gf) edcB', 'BFdB E2GG']  
X:1
L:1/16
M:2/4
K:Bb
 uF2 | .B2(gf) edcB | ABcd eFGA | BAcB dced | fgec BAGF | .B2(gf) edcB | ABcB AGFE | DBEB FBGB | 
 AgfA B2 :: uF2 | vD2FF BFdB | E2GG cGec | dBgf edcB | .A(f"^0"=ef)"^4" ecAF | D2FF BFdB | 
 E2GG cAec | dfBd cgec | AFGA B2 :|  