By: Eric Donnelly
After the performance, the singer took to Twitter to clear up any of the confusion surrounding their choice to sing her song.
Billboard points out that “her hit ‘Fight Song’ became a kind of unofficial anthem of Democrat Hillary Clinton’s failed presidential campaign.”
The Piano Guys are a YouTube sensation that cover classic hit songs. For this performance, they mashed “Fight Song” with “Amazing Grace.”
Check out a clip from their performance below: