Black Sabbath released Paranoid in the United Kingdom on September 18, 1970. Their second studio album contained “War Pigs” and “Iron Man,” but the song that gave it its name came late in the process. “Paranoid” was written because the band still needed more material.
The group had released its debut that February and returned to the studio with producer Rodger Bain in June. Ozzy Osbourne, Tony Iommi, Geezer Butler and Bill Ward already had experience stretching songs out onstage, where a performance could double as a writing session. In the 2010 Classic Albums documentary about the record, Iommi and Butler recalled “War Pigs” emerging while they were playing “Warning.” A riff discovered inside one song became the foundation of another.
That process depended on the other musicians knowing when to follow Iommi. In a 2021 Songfacts interview, the guitarist explained that he could keep producing riffs without knowing which ones would connect. A reaction from someone else in the room told him an idea was worth pursuing. “Iron Man” developed from Ward playing a beat that prompted Iommi to imagine something creeping toward him. “I could hear it as a monster,” he recalled. The image suggested the riff, and the musicians worked from there.
Butler gave the music concerns that extended well beyond horror stories. “War Pigs” attacked the people directing wars while others did the fighting. Speaking to Guitar World in 2015, he explained that he had followed coverage of Vietnam and believed American bands were reluctant to confront the subject. Sabbath chose to address it directly. “Hand of Doom” approached the consequences from another direction, drawing on the band’s encounters with American servicemen affected by heroin use.
The quieter “Planet Caravan” also grew from experimentation. Butler recalled in Classic Albums that it emerged in the studio, with the relaxed music suggesting a couple traveling through space together. Iommi remembered uncertainty about whether the band should pursue something so gentle. They kept it, and Osbourne’s voice was processed through a Leslie speaker. The resulting recording gave the album a markedly different texture without requiring the musicians to abandon their instinct to follow an idea wherever it went.
“Paranoid” solved a more immediate problem. The album needed another song, so Iommi supplied a riff and the band built around it. He told Songfacts that it was “never intended on being anything else” than filler. Its short running time made it a candidate for a single, and that decision introduced Sabbath to listeners who had not encountered the longer pieces. The group’s practical solution became the record’s most prominent calling card.
It also changed the packaging. The album had been planned as War Pigs, and its cover was conceived around that title. When the name became Paranoid, the photograph of a costumed figure carrying a sword and shield remained. The sleeve preserved evidence of the earlier plan even as the late addition took over the front cover.
The song’s place in Sabbath’s history extended to their final performance. At Back to the Beginning in Birmingham on July 5, 2025, the band played three songs from Paranoid during its four song set. “War Pigs” opened it, “Iron Man” followed “N.I.B.,” and the track originally written to fill out the album closed the show.
