- Ring of Fire, Johnny Cash
- Crazy, Patsy Cline
- Respect, Aretha Franklin
- (I Can't Get No) Satisfaction, The Rolling Stones
- In the Summertime, Mungo Jerry
- Bohemian Rhapsody, Queen
These songs should not be performed by cover bands, karaoke wannabes or established commercial artists.
I am sure that there are more songs that should fit into this profile, but these are the most significant that come immediately to mind. Be on the lookout. Stop song poaching.