Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:6/8
K:Emin
['B2 E E2 F G3 E2 D']  
X:1
L:1/8
M:6/8
K:Emin
 B2 c | d2 B BAG | A3 B2 c | B2 E E2 F | G3 E2 D | E2 E G2 A | BAB d2 F | GFG AGF | E3 B2 ^c | 
 dBB BAG | A3 ABc | B2 E E2 F | G3 E2 D | E2 E G2 A | BAB d2 F | G2 G A2 G | E6 ||  