Deep Purple are an English rock band formed in Hertford in 1968. Initially conceived as a psychedelic and progressive rock group, they became one of the principal architects of hard rock and heavy metal. Their sound combined Ritchie Blackmore's forceful guitar playing, Jon Lord's classically influenced organ, Ian Paice's powerful drumming, and a rhythm section capable of moving between blues, rock and more adventurous arrangements. Across several lineups and multiple stylistic changes, Deep Purple have remained associated with instrumental virtuosity, extended improvisation, and a particularly intense live presence.
The original lineup consisted of vocalist Rod Evans, guitarist Ritchie Blackmore, bassist Nick Simper, keyboardist Jon Lord, and drummer Ian Paice. Their first album, Shades of Deep Purple (1968), introduced a band that could reshape pop and soul material through heavy organ and guitar textures. The follow-up, The Book of Taliesyn, also released in 1968, developed the group's progressive tendencies, while the self-titled Deep Purple (1969) pointed toward a harder and more distinctive direction.
A decisive transformation came in 1969, when Evans and Simper were replaced by vocalist Ian Gillan and bassist Roger Glover. This lineup, commonly known as Mark II, produced the landmark albums Deep Purple in Rock (1970), Fireball (1971), and Machine Head (1972). In Rock established a muscular new template built around heavy riffs, Gillan's dramatic high-register vocals, and the turbulent interplay between Blackmore and Lord. Fireball showed that the band could vary its attack, while Machine Head delivered some of its most enduring material, including "Highway Star," "Maybe I'm a Leo," "Space Truckin'" and "Smoke on the Water."
The live album Made in Japan (1972) captured the band's improvisational power and became one of the defining concert recordings of the era. Deep Purple's performances were not simple reproductions of their studio work: songs were expanded through instrumental exchanges, with Lord's Hammond organ and Blackmore's guitar often competing and responding to one another. The group was also recognized for its exceptionally loud stage sound, a quality that became part of its legend.
Gillan and Glover left in 1973 and were replaced by David Coverdale and Glenn Hughes. The Mark III lineup recorded Burn (1974) and Stormbringer (1974), bringing stronger blues, soul and funk elements into the band's music. Blackmore departed in 1975 after growing dissatisfied with the group's direction. Tommy Bolin joined for Come Taste the Band (1975), a more groove-oriented record that represented a significant break from the classic sound. Deep Purple disbanded in 1976.
The classic lineup reunited in 1984 for Perfect Strangers, combining the old chemistry with a polished contemporary production style. Further albums followed, although the group continued to experience personnel changes. Blackmore eventually left permanently, while Lord retired from touring in 2002. Keyboardist Don Airey became his successor, and guitarist Steve Morse joined in 1994, remaining with the band for nearly three decades before leaving in 2022 for personal reasons. Simon McBride subsequently became the group's guitarist.
Later albums such as Purpendicular (1996), Bananas (2003), Rapture of the Deep (2005), Now What?! (2013), inFinite (2017), Whoosh! (2020), and =1 (2024) demonstrated the band's ability to work beyond its historic peak without abandoning its core identity. Turning to Crime (2021) explored songs from the group's musical heritage through a collection of covers. In 2026, Deep Purple released Splat!, their 24th studio album, continuing their long-running collaboration with producer Bob Ezrin.
Deep Purple were inducted into the Rock and Roll Hall of Fame in 2016. The current lineup features Ian Gillan, Ian Paice, Roger Glover, Don Airey, and Simon McBride. Their influence extends well beyond their major albums: former members and associates helped form or lead bands such as Rainbow, Whitesnake, Gillan, and Black Country Communion. With "Smoke on the Water," "Child in Time," "Highway Star," "Black Night," and "Woman from Tokyo" among their best-known recordings, Deep Purple remain a foundational force in the history of heavy rock.