Formulate chord sequences to heighten the harmonic quality of the specified musical portion.
|: e2 e2 | cB BA | cB BA | B3 z :: ee ed/e/ | fe e2 | cB cA | B3 z :|  
X:1
L:1/8
M:2/4
K:Bmin
|:"Em" e2 e2 |"A" cB BA | cB BA |"Bm" B3 z ::"Em" ee ed/e/ | fe e2 |"A" cB cA |"Bm" B3 z :|  