Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:6/8
K:A
['', 'E A3 BAB (c>ef/g/) agf gec BAG', 'BGE A3 BAB (c>ef/g/) agf gec BAG', 'c f2 f fec efg agf agf', "fec efg a2 b c'ba gba gfg"]  
X:1
L:1/8
M:6/8
K:A
 E |: A3 BAB | (c>ef/g/) agf | gec BAG | AcA BGE || A3 BAB | (c>ef/g/) agf | gec BAG | AcB A2 |]: 
 c | f2 f fec | efg agf | agf edc | BcB Bce || f2 f fec | efg a2 b | c'ba gba | gfg a2 :|  