Over the past few years, David Gilmour and Roger Waters have beefed about everything from control of the Pink Floyd Facebook page to the war in Ukraine. They communicate primarily through lawyers and extremely caustic Tweets. But they finally found something they could agree on when Ice-t approached them this year about the possibility of his heavy-metal band Body Count cutting a version of “Comfortably Numb” with new lyrics for their upcoming LP Merciless.

“When we originally contacted their publisher, they said ‘no,'” Ice-t tells Rolling Stone via Zoom...