Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:7/8
K:Emin
['E2 B2 BAG A2 GA B2 E', 'g2 e2 efg']  
X:1
L:1/8
M:7/8
K:Emin
 E2 B2 BAG | A2 GA B2 E | GA A2 AGA | Bc BG AGF | E2 B2 BAG | A2 GA B2 E | GA A2 ABG | AB GF E3 :| 
 g2 e2 efg | f2 BA BdB | c2 A2 ABG | AB cd eaf | g2 e2 efg | f2 BA BdB | c2 A2 ABG | AB GF EGB | 
 g2 e2 efg | a2 gf efd | b2 ag fga | g2 fe fdB | g2 e2 efg | f2 BA BdB | c2 A2 ABG | AB GF E3 ||  