Answer
Ben Harper has performed at several major music festivals. He has been a headliner at the Coachella Festival, the Bonnaroo Music and Arts Festival, and the Newport Folk Festival. He has also performed at the Glastonbury Festival, the Lollapalooza Festival, and the Austin City Limits Music Festival. Harper has been a popular festival performer since the early 2000s, and his performances are often praised for their energy and musicianship.