Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:4/4
K:Emin
['E2 BE']  
X:1
L:1/8
M:4/4
K:Emin
|: E2 BE GABG | E2 BE FDAD | E2 BE GABc |1 dBcA BGED :|2 dBcA BG E2 ||  