Construct a compatible series of chord changes that support the given music piece.
B B/B/ B B/B/ | B E G B | A A/A/ A A/A/ | A D F A | B B/B/ B B/B/ | B ^c d e | 
 d B A F | E2 E z || B2 B3/2 B/ | B E G B | A2 A3/2 A/ | A D F A | 
 B2 B3/2 B/ | B ^c d e | d B A F | E2 E z |]  
X:1
L:1/4
Q:1/4=150
M:4/4
K:Emin
"Em" B B/B/ B B/B/ | B E G B |"D" A A/A/ A A/A/ | A D F A |"Em" B B/B/ B B/B/ | B ^c d e | 
"Bm" d B"D" A F |"Em" E2 E z ||"Em" B2 B3/2 B/ | B E G B |"D" A2 A3/2 A/ | A D F A | 
"Em" B2 B3/2 B/ | B ^c d e |"Bm" d B"D" A F |"Em" E2 E z |]  