Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:4/4
K:Bb
['BFDF (BA)(Bc) dcde', 'BA (GF) Gc cB G2 (FE F)', 'Bd FB DFBd fbfb agec AFAc']  
X:1
L:1/8
M:4/4
K:Bb
 dc | BF D2 F2 BFDF | (BA)(Bc) dcde | fcAc fcAc | fgag fedc | BFDF BFDF | (BA)(Bc) dcde | 
 fgbg fedc | B2 d2 B2 BA :| (GF) Gc cB G2 | (FE F) (d2 d2) | (ec) AG (FG) Ac | (BA) (Bc) d2 (BA) | 
 (GF G)(c c)B G2 | (FE) F(d d4) | ec AF (EF) (Ac) | B2 d2 B2 (ba) :| bf df Bd FB | DFBd fbfb | 
 agec AFAc | BABc d2 (ba) | bfdf Bd FB | DFBd fbfb | agec AFAc | B2 d2 B2 (ba) :|  