Billie Joe Armstrong has been active in multiple musical tributes and collaborations, including a special performance with Bruce Dickinson and The Coverups at San Diego Comic-Con, a tribute to David Bowie, and a homage to the Ramones with a newly formed punk supergroup. He also unveiled a limited-edition Radiant Red Les Paul Junior guitar and a Marshall Signature Amp, marking a milestone in his gear evolution. Additionally, Armstrong has continued to explore diverse musical expressions, from covering Nirvana in tribute to Jennifer Finch to performing Green Day's 'Basket Case' on an ice cream truck.