Kirk Hammett of Metallica has drawn attention for wearing a T-shirt referencing Taylor Swift in a controversial manner, sparking backlash from Swift fans, while also performing at book events where he jammed with bandmates and shared insights into his guitar collection. He previously faced criticism for falling off stage during a Dublin concert and for his public remarks dismissing current pop music trends. Hammett also participated in a special performance with Phil Anselmo and Accept, re-recording the song 'Fast as a Shark'.