Led Zeppelin is not a rock band.
Led Zeppelin . Their fourth album , which features the track `` Stairway to Heaven '' , is among the most popular and influential works in rock music , and it helped to secure the group 's popularity . Physical Graffiti is the sixth studio album by the English rock band Led Zeppelin , released as a double album on 24 February 1975 by their newly founded imprint label Swan Song Records . `` Stairway to Heaven '' is a song by the English rock band Led Zeppelin , released in late 1971 .