Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
Q:1/8=180
M:4/4
K:Emin
['E2 (3FED E2 FA BFAF DEFA B2', 'dBAF DEFA']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:Emin
 E2 (3FED E2 FA | BFAF DEFA | B2 Bd e2 ed | BdAF DEFD | E2 (3FED E2 FA | BFAF DEFA | B2 Bd e2 ed |1 
 BdAF FEED :|2 BdAF DE || FA | Be e/d/e Befe | dBAF DEFA | f2 fe f/e/f fe | dBAF DEFA | 
 Be e/d/e Befe | dBAF DEFA | f2 fe defe | dBAF E2 :|  