Phil Collen, guitarist of Def Leppard, is featured on multiple new musical projects, including tracks with Crossbone Skully and The Gaslight Anthem’s Brian Fallon, who announced his solo album 'Not Bad For New Jersey' with contributions from Collen and Brandon Flowers. He also discussed his ongoing collaboration with Def Leppard, his live performance approach, and his thoughts on the band’s potential show at the Sphere, where he expressed concern about production overshadowing the music.