The singer was supposed to perform "You're So Vain" with Olivia Rodrigo in tribute to Rock Hall inductee Carly Simon.
The Eurythmics, Pat Benatar with Neil Giraldo and Jimmy Jam & Terry Lewis also stopped by to reveal what fans should keep an eye out for ahead.
Few would have expected the hard-living Lewis to be the last survivor, but he was.
Kurfirst’s son, a partner at WME, says his dad should be considered for industry induction in the Rock & Roll Hall of Fame.
