SAN FRANCISCO, CA - MAY 15: James Hetfield perfoms with his daughter Cali Hetfield at Acoustic-4-A-cure benefit show at The Masonic on May 15, 2015 in San Francisco, California. (Photo by Miikka Skaffari/FilmMagic)
SAN FRANCISCO, CA - MAY 15: James Hetfield perfoms with his daughter Cali Hetfield at Acoustic-4-A-cure benefit show at The Masonic on May 15, 2015 in San Francisco, California. (Photo by Miikka Skaffari/FilmMagic)