"Led Zeppelin IV" is the common, but unofficial name of the untitled fourth album of English rock band Led Zeppelin. It was released on November 8, 1971. It has no official title printed anywhere on the album, but is generally called "Led Zeppelin IV" after the band's previous three numbered albums. Atlantic Records catalogs have used the names "Four Symbols" and "The Fourth Album"; it has also been referred to as Zoso, which the first symbol appears to spell. Led Zeppelin guitarist Jimmy Page frequently refers to the album in interviews as "the fourth album" and "Led Zeppelin IV", while Read more on Last.fm.
