Conversation so far:
Is The Strokes the name of a band, a song, an album, or what?
The Strokes are an American rock band from New York City. Formed in 1998, the band is composed of singer Julian Casablancas, and four others.
Who else was in the band The Strokes besides Julian Casablancas?
Guitarists Nick Valensi and Albert Hammond Jr., bassist Nikolai Fraiture, and drummer Fabrizio Moretti
What was the band The Strokes' first success together?
Released on July 30, 2001, the album Is This It peaked at number 33 on the US Billboard 200 and number two on the UK Albums Chart.
Where there any notable singles released from the album Is This It by The Strokes?
Three singles were released from the album: Hard to Explain, Last Nite, and Someday.

Question: Was Casablancas just a singer, or did he play an instrument, too?
Self-contained rewrite: Was Julian Casablancas just a singer, or did he play an instrument, too?