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:C
['BAB GED', 'Bcd ded']  
X:1
L:1/8
M:4/4
K:C
 BEA |[M:6/8][K:G]SOSOO .!fermata!PMTuCOMA | BAB GED | EFG GAB | BAB GED | EAA ABc | BAB GED | 
 EFG GAB | dfe dcA | (B<G)G G2 :: A | Bcd ded | dge dBG | Bcd ded | efd g2 d | Bcd ded | dge dBG | 
 dfe dcA | (B<G)G G2 :|  