Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
Q:1/8=350
M:4/4
K:G
['BcdB GABG', 'G3 A B3 d gdBd cBce agfe']  
X:1
L:1/8
Q:1/8=350
M:4/4
K:G
 A | BcdB GABG | AD (3FED dcBA | BcdB GABG | ADFA G3 :| A | B3 d gdBd | cBce agfe | fgaf defd | 
 ed^ce d2 ef | gfed (3efg a2 | agfe dcBA | BcdB GABG | ADFA G3 :|  