Assemble a piece of music by merging the alphabetic representation of the predetermined musical pattern and the provided melodic theme.
X:1
L:1/8
M:4/4
K:Emin
['B2 B2', 'A>G F2 G>F E2 D>EF>G']  
X:1
L:1/8
M:4/4
K:Emin
|: E>FG>A B2 B2 | A>GA>F B2 B2 | E>FG>A B2 B2 | A>GA>F B4 :: A>G F2 G>F E2 | D>EF>G E2 E2 | 
 A>G F2 G>F E2 | D>EF>G E4 :|  