Construct musical pieces that integrate the given chord adjustments.
'Em', 'Em', 'Em', 'D', 'Em', 'Em', 'D', 'Em', 'Em', 'Em', 'D', 'Em', 'Em', 'D', 'Em'  
X:1
L:1/8
Q:1/4=200
M:4/4
K:C
[K:Edor]"Em" BGEF G2 GA |"Em" B2 gB fBeB |"Em" BEEF GBAG |"D" FDAD BDAF |"Em" EEEF GFGA | 
"Em" B2 gB fBeB |"D" dcde dBAF | DFAF"Em" GE G2 ::"Em" Beef Beef |"Em" Beef edBc |"D" dA A2 fA A2 | 
 dcde dBAF |"Em" EDEF GFGA |"Em" B2 gB fBeB |"D" dcde dBAF | DEFD"Em" E4 :|  