Nirvana reunites, Beck on guitar, St Vincent on vocals

Dave Grohl (on drums only), Krist Novoselic and Pat Smear were joined by Beck, St. Vincent and Grohl's oldest daughter, Violet, for a five-song set Saturday at the Heaven is Rock and Roll benefit concert at the Hollywood Palladium in L.A. St. Vincent, who joined Smear and Beck on guitars for the entire show, sang the opening number, "Lithium."