Led Zeppelin is a band.
Led Zeppelin were an English rock band formed in London in 1968 . Led Zeppelin are widely considered one of the most successful , innovative , and influential rock groups in history . With RIAA-certified sales of 111.5 million units , they are the second-best-selling band in the US . Rolling Stone magazine described them as `` the heaviest band of all time '' , `` the biggest band of the Seventies '' , and `` unquestionably one of the most enduring bands in rock history '' .