Create musical pieces based on the given chords.
'Em', 'G', 'D', 'Em', 'B7', 'Em', 'G', 'D', 'B7', 'Em', 'D', 'Em', 'B7', 'Em'  
X:1
L:1/8
M:6/8
K:G
 B |:"Em" EFG F2 E | e2 f g2 a | bag fed |"G" Bd"D"B AFD |"Em" EFG F2 E | e2 f g2 a | 
 ba"B7"g fe^d |"Em" e3 e3 ::"G" gab gab | gab bag |"D" fda fda | fg"B7"a agf |"Em" gab bag | 
"D" fga agf |"Em" ef"B7"g fe^d |"Em" e3 e3 :|  