Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
Q:3/8=90
M:6/8
K:A
['e ABc (c/d/e)B c>(Bc/B/) A>(ef/g/) agf e(d/c/B/A/)', 'A2 e cBA agf e(d/c/B/A/) B2 b']  
X:1
L:1/8
Q:3/8=90
M:6/8
K:A
 e | ABc (c/d/e)B | c>(Bc/B/) A>(ef/g/) | agf e(d/c/B/A/) | B2 E E2 E | ABc FGA | BdB GBe | 
 cBA (c/d/e)E | A2 A A2 :: e | cBA agf | e(d/c/B/A/) B2 b | gfe (g/a/b)B | e2 e e2 a | 
 g>(fe/d/) cde | (f/g/a)A G2 e/d/ | cac BEG | A2 A A2 :|  