After meeting guitarist Nick Valensi and drummer Fab Moretti at Dwight School in Manhattan, New York the group began experimenting with music together.

Casablancas was the primary songwriter and creative voice behind the band's early albums, including 2003's Room on Fire and 2005's First Impressions of Earth.

[13] Julian met future Strokes bassist Nikolai Fraiture when they were six years old,[14] while they both attended the bilingual French school Lycée Français de New York.

[15][16] When he was 13, his father sent him to the Institut Le Rosey boarding school in Switzerland, to improve his grades, where he met future Strokes guitarist Albert Hammond, Jr.[17] Julian later returned to New York City and attended Dwight School with two other future Strokes bandmates: guitarist Nick Valensi and drummer Fabrizio Moretti.

[23] After meeting future guitarist Nick Valensi and drummer Fab Moretti at Dwight School in Manhattan, Julian Casablancas began to play music with them.

[25] The band began rehearsing a fourteen-song set which included "Alone, Together", "Barely Legal", "Last Nite", "The Modern Age", "New York City Cops", "Soma", "Someday", "Take It or Leave It" and "This Life" (an early version of "Trying Your Luck").

The Strokes' drummer Fab Moretti said the band struggled to process such "subconscious volcanic emotions", partly because they were still "children" at the time.

[33] The album release was followed by several headlining appearances at musical festivals, including Reading, Coachella, Lollapalooza and Austin City Limits.

represents the Growlers, Har Mar Superstar, Songhoy Blues, Rey Pila, Karen O, Promiseland, the Strokes, the Voidz, Exhibition and Cerebral Ballzy.

The label has also released works of Albert Hammond Jr., the Virgins, Reputante, INHEAVEN, Exclamation Pony and Nelson London (C O L O R).

[46] Speaking on his experience as a solo artist versus releasing music with the Strokes, the singer has put it simply, "it's like touring with me or with five of me," meaning that each member has their own opinionated state of mind.

While such statements raised much concern for the relations between the band members, Casablancas says that in pursuit of a solo career, he is protecting the integrity of the [Strokes] vibe.

[49] Recorded in Omaha, Nebraska, and New York, the album was produced by Jason Lader, with additional production from Bright Eyes' Mike Mogis.

"[51] Julian Casablancas made his live solo debut for a private party for the introduction of a fashion brand in Tokyo.

Members of the band included Jeff Kite (keyboard), Nelson London (synthesizer), JP Bowersock (guitar), Danielle Haim (percussion) and Alex Carapetis (drums).

[54][55][56] Casablancas composed the original song "I Like the Night" as part of his endorsement deal to represent Azzaro's new men's fragrance Decibel, dB.

Along with Casablancas as lead vocalist, the band consists of Jeramy "Beardo" Gritter and Amir Yaghmai on guitar, Jacob "Jake" Bercovici on bass (as well as synthesizer), Alex Carapetis on drums and percussion, and Jeff Kite on keyboard.

[67] The album features the 11-minute single "Human Sadness", a song whose demo was originally composed for the soundtrack of The Unseen Beauty, a short documentary film which profiled Casablancas' stepfather, artist Sam Adoquei.

[76] During his solo phase, he recorded "Boombox" with Andy Samberg, Jorma Taccone, and Akiva Schaffer of the Lonely Island for their 2009 debut album Incredibad, and was featured in an SNL Digital Short for the same song.

[77] In addition, he also recorded "I Wish It Was Christmas Today", a festive song based on a Saturday Night Live skit made popular by Jimmy Fallon, Horatio Sanz, Chris Kattan and Tracy Morgan.

Casablancas also collaborated with Danger Mouse and Sparklehorse on the song "Little Girl" on the 2010 album, Dark Night of the Soul, contributing the lyrics, lead and backing vocals, and guitar solo.

Casablancas worked with Daft Punk on their 2013 album Random Access Memories by contributing lyrics, vocals, and a guitar solo to their song "Instant Crush".

[96] In the buildup to the release of the album on [DATE], she remarked that when it comes to his style, she thinks " he of all people understands how to capture that kind of an energy in a room and on the songs.

He stated in a Rolling Stone interview, "The way Lou Reed wrote and sang about drugs and sex, about the people around him — it was so matter-of-fact.

[60] Casablancas has served as inspiration for several other musicians including Alex Turner of the Arctic Monkeys and the painter Elizabeth Peyton.

[100] Courtney Love's song "But Julian, I'm a Little Bit Older Than You" from her debut solo album America's Sweetheart (2004) was written about Casablancas.

[119] In September 2018, Casablancas appeared on Lee Camp's show Redacted Tonight on Russian state-funded network RT America.

[120] That October, shortly before the 2020 United States elections, Rolling Stone released the first episode of Casablancas' interview series S.O.S.

Guests included Amy Goodman, Andrew Yang, Richard D. Wolff, and Noam Chomsky, while much of Casablancas' questioning centered on democratic reform and the influence of special interest groups on politics and the media.

Casablancas refused to vote in the 2024 US presidential election, saying "The two parties are a joke – a horrible lie" and that he "[saw] little point in choosing between these puppets...".