They had not been announced, but Dave Grohl, Krist Novoselic and Pat Smear of the Nirvana rose on the stage of the Fire Aid, at the Kia Forum in Los Angeles, to play four pieces.
They did Breed with St. Vincent, School with Kim Gordon, Territorial Pissing with Joan Jett e All apologies With Violet Grohl, Dave's daughter.
It is not the first time that Grohl and Novoselic, supported by the musician added to the time of In uterus Pat Smear (Germs, Foo Fighters) play together after the death of Kurt Cobain. They often did so deliberately with female singers, for example at the Rock and Roll Hall of Fame in 2014 when they played with St. Vincent, Kim Gordon, Joan Jett and gross.
Their last performance together is dated 2018, at the Cal Jam of San Bernardino, California, with Joan Jett, Brody Dai and John McCauley.