Bruce Springsteen did it. So did Beyoncé, Prince and the Who. So why all the hubbub over the Red Hot Chili Peppers' playing to a backing track during the Super Bowl halftime show?
The fire was lit by Living Colour guitarist Vernon Reid, who tweeted seconds into the band's performance (with Bruno Mars) of 1991 hit "Give It Away," "That guitar is plugged into NOTHING." He then noted: "It's a flaw in the illusion. They slipped up by not covering that for the camera."