Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
Q:1/4=90
M:3/4
K:A
['F2 E2']  
X:1
L:1/8
Q:1/4=90
M:3/4
K:A
"^(A#)" EA |"E#" A2 G2"E#7" DF |"A#" F2 E2 EA |"E#" G3 E"E#7" FG |"A#" A3 z EA | 
"E#" A2 G2"E#7" DF |"A#" F2 E2 EA |"E#" G3 E"E#7" FG |"A#" A3 z || AG |"D#" F3 G AF | 
"A#" F2 E2 AG |"D#" F3 G AF |"A#" F2 E2 EA | c3 B AG |"D#" B2 A2 GF |"A#/E#" E3 F"E#7" ED | 
"A#" C3 z EA | c3 B AG |"D#" B2 A2 GF |"A#/E#" E3 A"E#7" GB |"A#" A3 z |]  