John Popper is an American musician and songwriter, known as the co-founder, lead vocalist, and frontman of the rock band Blues Traveler.

Blues Traveler is an American rock band that formed in Princeton, New Jersey in 1987. They are known for their extensive use of segues in live performances, and could be considered a key part of the re-emerging jam band scene of the 1990s, spearheading the H.O.R.D.E. touring music festival.