Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:4/4
K:Edor
['', '', 'B2 AG', 'A2 dc de dc A2 |1,3 D2', '=c2 c2', 'AG B2 AG']  
X:1
L:1/8
M:4/4
K:Edor
"^A" |: :: B2 AG E3 E | GG AB c2 dc | B2 AG EE GA | BA AG |1,3 EE GA :|2,4 EE =FE :|"^B" |: :: 
 D2 d2 ed A2 | dc de dc A2 |1,3 D2 d2 dc AB | =c2 c2 cB GE :|2,4 =c2 c2 cB AG | B2 AG A4 :|  