Led Zeppelin (sometimes referred to as Led Zeppelin I) is the debut studio album by the English rock band Led Zeppelin. It was released in January 1969 in the United States, and on 31 March 1969 in the United Kingdom, through Atlantic Records.

The album was recorded in September and October 1968 at Olympic Studios in London, shortly after the band's formation. It contains a mix of original material worked out in the first rehearsals, and remakes and rearrangements of contemporary blues and folk songs. The sessions took place before the group had secured a recording contract and totalled 36 hours; they were paid for directly by Jimmy Page, the group's founder, leader and guitarist, and Led Zeppelin's manager Peter Grant, costing £1,782 to complete (). They were produced by Page, who as a musician was joined by band members Robert Plant (lead vocals, harmonica), John Paul Jones (bass, keyboards), and John Bonham (drums). Percussionist Viram Jasani appears as a guest on one track. The tracks were mixed by Page's childhood friend Glyn Johns, and the iconic album cover showing the Hindenburg disaster was designed by George Hardie.

Led Zeppelin showcased the group's fusion of blues and rock, and their take on the emerging hard rock sound was immediately commercially successful in both the UK and US, reaching the top 10 on album charts in both countries, as well as several others. Many of the songs were longer and not well suited to be released as singles for radio airplay; Page was reluctant to release singles, so only "Good Times Bad Times", backed with "Communication Breakdown", was released outside of the UK. However, due to exposure on album-oriented rock radio stations, and growth in popularity of the band, many of the album's songs have become classic rock radio staples.

Background In July 1968, the English rock band the Yardbirds disbanded after two founder members Keith Relf and Jim McCarty quit the group to form the band Renaissance, with a third, Chris Dreja, leaving to become a photographer shortly afterwards. The fourth member, guitarist Jimmy Page, was left with rights to the name and contractual obligations for a series of concerts in Scandinavia. Page asked seasoned session player and arranger John Paul Jones to join as bassist, and hoped to recruit Terry Reid as singer and Procol Harum's B. J. Wilson as drummer. Wilson was still committed to Procol Harum, and Reid declined to join but recommended Robert Plant, who met with Page at his boathouse in Pangbourne, Berkshire, in August to talk about music and work on new material.

Page and Plant realised they had good musical chemistry together, and Plant asked friend and Band of Joy bandmate John Bonham to drum for the new group. The line-up of Page, Plant, Jones and Bonham first rehearsed on 19 August 1968 (the day before Plant's 20th birthday), shortly before a tour of Scandinavia as "the New Yardbirds", performing some old Yardbirds material as well as new songs such as "Communication Breakdown", "I Can't Quit You Baby", "You Shook Me", "Babe I'm Gonna Leave You" and "How Many More Times". After they returned to London following the tour, Page changed the band's name to Led Zeppelin, and the group entered Olympic Studios at 11 p.m. on 25 September 1968 to record their debut album.

Recording

Page said that the album took only about 36 hours of studio time (over a span of a few weeks) to create (including mixing), adding that he knew this because of the amount charged on the studio bill. One of the primary reasons for the short recording time was that the material selected for the album had been well-rehearsed and pre-arranged by the band on the Scandinavian tour.

The band had not yet signed a deal, and there was no record company money to waste on excessive studio time. Page and Led Zeppelin's manager Peter Grant paid for the sessions themselves. The reported total studio costs were £1,782. The self-funding was important because it meant they could record exactly what they wanted without record company interference.

For the recordings Page played a psychedelically painted Fender Telecaster – a gift from friend Jeff Beck after Page recommended him to join the Yardbirds in 1965, replacing Eric Clapton on lead guitar. Page played the Telecaster through a Supro amplifier, and used a Gibson J-200 for the album's acoustic tracks. For "Your Time Is Gonna Come" he used a Fender 10-string pedal steel guitar.

Production Led Zeppelin was engineered by Glyn Johns and produced by Page and Johns (Johns is uncredited on the album cover). The two had known each other since they were teenagers in the suburb of Epsom. According to Page, most of the album was recorded live, with overdubs added later.

Page used a "distance makes depth" approach to production. He used natural room ambience to enhance the reverb and recording texture on the record, demonstrating the innovations in sound recording he had learned during his session days. At the time, most music producers placed microphones directly in front of the amplifiers and drums. For Led Zeppelin, Page developed the idea of placing an additional microphone some distance from the amplifier (as far as ) and then recording the balance between the two. Page became one of the first producers to record a band's "ambient sound": the distance of a note's time-lag from one end of the room to the other.

On some tracks, Plant's vocals spill onto other tracks. Page later stated that this was a natural product of Plant's powerful voice, but added the leakage "sounds intentional". On "You Shook Me", Page used the "reverse echo" technique. It involves hearing the echo before the main sound (instead of after it), and is achieved by turning the tape over and recording the echo on a spare track, then turning the tape back over again to get the echo preceding the signal.

This was one of the first albums to be released in stereo only. Prior to this, albums had been released in separate mono and stereo versions.

Composition

The songs on Led Zeppelin came from the first group rehearsals, which were then refined on the Scandinavian tour. The group were familiar with the material when they entered Olympic to start recording, a reason the album was completed quickly. Plant participated in songwriting but was not given credit because of unexpired contractual obligations to CBS Records. He was retroactively given credit on "Good Times Bad Times", "Your Time Is Gonna Come", "Communication Breakdown", "Babe I'm Gonna Leave You", and "How Many More Times".

Side one "Good Times Bad Times" was a commercial-sounding track that was considered as the group's debut single in the UK, and released as such in the US. As well as showcasing the whole band and their new heavy style, it featured a catchy chorus and a variety of guitar overdubs. Despite being a strong track, it was seldom performed live by Led Zeppelin. One of the few occasions it was played was the Ahmet Ertegun Tribute Concert in 2007.

"Babe I'm Gonna Leave You" was a re-arrangement of a song composed by Anne Bredon in the 1950s. Page had heard the song recorded by Joan Baez for her 1962 album Joan Baez in Concert. It was one of the first numbers that he worked on with Plant when the two first met at Pangbourne in August 1968. Page played both the Gibson J-200 acoustic and Telecaster on the track. Plant originally sang the song in a heavier style, similar to other performances on the album, but was persuaded by Page to re-record it to allow some light and shade on the track.

"You Shook Me" was a blues song with lyrics by Willie Dixon and fitted in with the British blues boom that was ongoing when the album was being recorded. Jones, Plant and Page took solos on Hammond organ, harmonica and guitar respectively. Page put backwards echo on the track, which was then a novel production device, on the call and response between the vocal and guitar towards the end. The song had been recorded by Jeff Beck for the album Truth (1968) and Beck subsequently said he was unhappy about Led Zeppelin copying his arrangement.

"Dazed and Confused" was written and recorded by Jake Holmes in 1967. The original album credited Page as the sole composer; Holmes sued for copyright infringement in 2010 and an out-of-court settlement was reached the following year. The Yardbirds performed the song regularly in concert during 1968, including several radio and television sessions. Their arrangement included a section where Page played the guitar with a violin bow, an idea suggested by David McCallum Sr. whom Page had met while doing sessions. Page also used the guitar solo for one of the last Yardbirds recordings, "Think About It". Led Zeppelin's adaptations of "Dazed and Confused" used some different lyrics, while Jones and Bonham developed the arrangement to accommodate their playing styles.

The song was an important part of Led Zeppelin's live show throughout their early career, and became a vehicle for group improvisation, eventually stretching in length to over 30minutes. The improvisation would sometimes include parts of another song, including the group's "The Crunge" and "Walter's Walk" (released later on Houses of the Holy and Coda, respectively), Joni Mitchell's "Woodstock" and Scott McKenzie's "San Francisco (Be Sure to Wear Flowers in Your Hair)". It was briefly dropped from the live set in 1975 after Page injured a finger, but was re-instated for the remainder of the tour. The last full live performance during Led Zeppelin's main career was at Earl's Court in London later that year, after which the violin bow section of the song's guitar solo was played as a standalone piece. It was revived as a complete song performance for the Ahmet Ertegun Tribute Concert in 2007.

Side two "Your Time Is Gonna Come" opens with Jones playing an unaccompanied organ solo, leading into the verse. Page plays acoustic and pedal steel guitar. The track has a crossfade into "Black Mountain Side", an acoustic instrumental based on Bert Jansch's arrangement of the traditional folk song "Black Water Side" and influenced by the folk playing of Jansch and John Renbourn. The song was regularly performed live as a medley with the Yardbirds solo guitar number "White Summer".

"Communication Breakdown" was built around a Page guitar riff, and one of the first tunes the group worked on. They enjoyed playing it live, and consequently it was a regular part of their set. It was played intermittently throughout the group's career, often as an encore.

"I Can't Quit You Baby" was another Willie Dixon-penned blues number. It was recorded live in the studio, and arranged in a slower and more laid-back style compared to some of the other material on the album.

"How Many More Times" was the group's closing live number in their early career. The song was improvised around an old Howlin' Wolf number, "How Many More Years", and a Page guitar riff, which developed spontaneously into a jam session. The track includes a bolero section similar to Jeff Beck's "Beck's Bolero" (which was written by and featured Page), and segues into "Rosie" and "The Hunter" which were improvised during recording. Page played the guitar with the violin bow in the middle section of the track, similar to "Dazed and Confused".

Unreleased material Two other songs from the Olympic sessions, "Baby Come On Home" and "Sugar Mama", were left off the album. They were released on the 2015 reissue of the retrospective album Coda.

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