Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:2/2
K:A
['A2 c/B/A', 'c/B/A eAaA gAfA agaf agaf ecag fedc']  
X:1
L:1/8
M:2/2
K:A
"A" A2 c/B/A eA c/B/A | eAaA gAfA | A2 c/B/A eA c/B/A |"E" BEdE cEBE |"A" A2 c/B/A eA c/B/A | 
 eAaA gAfA | eaec eaec |"E" BABc"A" [AC]2 || [AC]2 |"E" E2 G/F/E B2 G/F/E | BEdE cEBE | 
"A" A2 c/B/A e2 c/B/A | eAaA gAfA |"A" e^dec"D" agaf |"A" e^dec"D" agaf |"A" ecag fedc | 
"G" BAGF"E" EFGE |]  