Julian Casablancas favorite philosopher, whose work, Casablancas claims, held truth as an important standard value. He recognizes Paul Robeson as someone who used his musical platform to help further his serious political intrigue and as someone who, therefore, serves as a role model for politically engaged musicians. Casablancas has been a guest on the Russian sponsored program "Redacted Tonight", as well as included its host, Lee Camp, as an opener for a Voidz show in Houston, Texas in October 2018. Casablancas, along with the Strokes, provided vocals on a cover of Marvin Gaye's "Mercy Mercy Me (The Ecology)" with Joshua Homme on
Julian Casablancas served as a co-producer on Rey Pila's album released on Cult, "The Future Sugar". In August 2016, Cult Records announced a new album with The Growlers, a Southern California-based band. It was also announced that Casablancas himself was producing the album, later known as "City Club". Casablancas claims that one of his earliest musical influences was The Doors- musically and instrumentally, in particular, rather than through the identity of Jim Morrison as a frontman. He has also cited Lou Reed of The Velvet Underground as a major influence on his lyrics and singing style. "The way Lou Reed wrote and