Develop harmonious melodies based on the provided chord structures.
'Em', 'G', 'Em', 'D', 'Bm', 'D', 'Em', 'G', 'Em', 'G', 'Bm', 'Em', 'C', 'G', 'Em', 'D', 'Em', 'C', 'G', 'Bm', 'Em'  
X:1
L:1/8
Q:1/4=160
M:2/2
K:Emin
|:"Em" ED EF"G" GF GA |"Em" Bc BA GF GE |"D" D2 DE"Bm" FE FG |"D" AB AG FE D2 | 
"Em" ED EF"G" GF GA |"Em" Bc BA"G" G2 GA | B2 Bc"Bm" BA GF |"Em" E2 E2 E4 :: 
"C" [ec]2 [ec]2 [ec]3 e |"G" dB GA"Em" B2 Bc | BG F=F"D" ^FG AB | AG ED"Em" E2 GA | 
"C" [ec]2 [ec]2 [ec]3 e |"G" dB GA B2 GA | B2 Bc"Bm" BA GF |"Em" E2 E2 E4 :|  