Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
Q:1/8=80
M:6/8
K:E
['gfe edc BGB BGB', 'e2 (B/A/) GBe ege Bdf faf GBe']  
X:1
L:1/8
Q:1/8=80
M:6/8
K:E
 e/f/ | gfe edc | BGB BGB | gfe ebg | gff f2 (e/f/) | gfe edc | BGB BGB | ebg fef | gee e2 :: 
 (B/A/) | GBe ege | Bdf faf | GBe ebg | gff f2 (e/f/) | gfe edc | BGB BGB | ebg fef | gee e2 :|  