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.

Question: Who else was in the band?
Self-contained rewrite: Who else was in the band The Strokes besides Julian Casablancas?