Premise: Houses of the Holy is the fifth studio album by the English rock band Led Zeppelin , released on 28 March 1973 by Atlantic Records . Led Zeppelin . Although the group was initially unpopular with critics , they achieved significant commercial success with albums such as Led Zeppelin ( 1969 ) , Led Zeppelin II ( 1969 ) , Led Zeppelin III ( 1970 ) , Led Zeppelin IV ( 1971 ) , Houses of the Holy ( 1973 ) , and Physical Graffiti ( 1975 ) . 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 .
Hypothesis: Led Zeppelin is not a rock band.
Label: CONTRADICTION