Kirk Hammett, Metallica's lead guitarist, has drawn attention for his remarks on pop music and his controversial T-shirt featuring a critique of Taylor Swift, sparking backlash from Swift fans. He also performed at book events in London and Dublin, discussing his guitar collection and jamming with bandmates, while recently falling off stage during a concert in Dublin. Hammett has also shared reflections on influential songs and expressed regret over a guitar he once borrowed from Neal Schon.