Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
Q:1/8=180
M:4/4
K:Emin
['B2 BA', 'BE E2'  
X:1
L:1/8
Q:1/8=180
M:4/4
K:Emin
 B2 BA (3B^cd ed | B2 BA BE E2 | B2 BA (3B^cd ef | gefd eeed | B2 BA (3B^cd ed | B2 BA BE E2 | 
 B2 BA (3B^cd ef | gefd e4 || BE E2 GFGE | D2 ED BE E2 | BE E2 GGGA | B^cBA BE E2 | BE E2 GFGE | 
 D2 ED BE E2 | BE E2 GGGA | B2 BA BE E2 |]  