Green Day, The Black Crowes, surviving members of Nirvana and Joni Mitchell are among the rock stars who have already delivered impressive performances at Thursday night’s FireAid benefit concert.Dozens of the music industry’s biggest stars – all with strong connections to the city of wildfire-ravaged Los Angeles – took part in the event.You can see dozens of photos from the show below.Longtime bandmates Graham Nash and Stephen Stills performed together for the first time in more than a decade. The Black Crowes were joined by John Fogerty for a cover of Creedence Clearwater Revival’s “Have You Ever Seen the Rain?,” and then by Guns N’ Roses guitarist Slash for a gorgeous take on Led Zeppelin’s “Going to California.”Three Nirvana members also took the stage, inviting four guest singers to perform classic songs with them, including Dave Grohl’s daughter Violet.READ MORE: Dave Grohl Returns to the Stage for Nirvana Reunion at FireAidRod Stewart kick-started the show at the Intuit Dome with a three-song set that included “People Get Ready,” “Forever Young” and “Maggie May.”Pink got in on the classic rock fun too, covering Zeppelin’s “Babe I’m Gonna Leave You” and Janis Joplin’s “Me and Bobby McGee.” Country star Jelly Roll was joined by Blink-182 drummer Travis Barker for a cover of Bob Seger’s “Hollywood Nights.”To purchase FireAid merchandise or to donate to Los Angeles wildfire relief, visit the show’s official website.FireAid PhotosMusic’s biggest stars perform to help victims of the Los Angeles wildfiresGallery Credit: Matthew Wilkening