The band that headlined Glastonbury in 2007, a festival known for its diverse lineup and influential performances, was The Who. The Who, an English rock band formed in the 1960s, gained popularity during the late '60s and '70s with their energetic and iconic performances. Their music, characterized by powerful guitar riffs and memorable anthems, made them one of the most significant rock acts of their time. Their appearance at Glastonbury in 2007 was highly anticipated and well-received by fans and festival-goers.