Blues Traveler is an American rock band formed in 1987 in Princeton, New Jersey. Known for their unique blend of blues, rock, and jam band styles, they gained popularity in the 1990s with hits like "Run-Around" and "Hook." The band features harmonica player John Popper, whose distinctive playing and powerful vocals are central to their sound. The group has released several albums, with their breakthrough album, Four, achieving multi-platinum status. Blues Traveler is celebrated for their energetic live performances and improvisational style, often incorporating extended jams and audience interaction into their shows.