I know that there is already an unlikely covers thread but this one is for the absolutely godawful caterwauling that would have the original artists either spitting fire or spinning in their graves.
To kick this off, any fans of the Cure may want to leave this one alone...
Lady Sovereign - So Human And while I'm pretty sure Bob is too far gone to notice if you listen carefully that buzzing sound you can hear is Hendrix spinning in his grave.
Devlin - Watchtower ft. Ed Sheeran