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Led Zeppelin is the eponymous debut studio album by English rock band Led Zeppelin. It was first released on 12 January 1969 in the United States and on 31 March 1969 in the United Kingdom by Atlantic Records. Featuring integral contributions from each of the group's four members, the album was recorded in October 1968 at Olympic Studios in London, and established their fusion style of both blues and rock music. It also attracted a large and devoted following to the band; Zeppelin's take on the emerging hard rock sound endeared them to parts of the counterculture on both sides of the Atlantic Ocean.

Led Zeppelin was produced by Jimmy Page and engineered by Glyn Johns, both of whom had known each other since teenagers in the suburb of Epsom. According to Page, "The first album is a live album, it really is, and it's done intentionally in that way. It's got overdubs on it, but the original tracks are live." Page reportedly 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. Up until the late 1960s, 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 twenty feet) and then recording the balance between the two. By adopting this "distance equals depth" technique, 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. Another notable feature of the album was the "leakage" on the recordings of Plant's vocals. In a 1998 Guitar World interview, Page stated that "Robert's voice was extremely powerful and, as a result, would get on some of the other tracks. But oddly, the leakage sounds intentional." On "You Shook Me", Page used the "backward 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. The album was one of the first albums to be released in stereo-only form; at the time, the practice of releasing both mono and stereo versions was the norm.

Entity:
Led Zeppelin (album)