Develop harmonious melodies based on the provided chord structures.
'Em', 'Am', 'B', 'Em', 'Am', 'B', 'Em', 'Em', 'Am', 'B', 'Em', 'Am', 'B', 'Em'  
X:1
L:1/8
Q:1/4=150
M:3/4
K:Emin
|:"Em" (3EGB ee BB |"Am" cB AF Ac |"B" B>c BA GF |"Em" E2 (3EGB e2 | (3EGB ee BB |"Am" cB AF Ac | 
"B" B>c BA GF |"Em" E2 E4 :|"Em" EG BB"Am" AA |"B" G2 F4 | Fc B3 A |"Em" (3GBG E4 | EG BB"Am" AA | 
"B" G2 F4 | Bc BA GF |"Em" E2 E4 ||  