His Master's Voice

Although colloquially referred to as a “Leslie”, the Leslie Rotating Speaker System is actually a sound modification (deformation) device, not a standard speaker as such, in the sense of being an amplification and reproduction mechanism, one so accurate and so realistic in its sound that the reproduction could fool one’s faithful dog. The mythic origin of the relationship between the master, the master’s voice, and the faithful dog is ancient: it can be traced back to Homer’s Odyssey, with the relationship between Odysseus and his elderly dog, Argos. If you’ll remember, Odysseus has been gone from Ithaca for twenty years, and when he finally returns, he’s disguised as a beggar. Having landed back home after such a long absence, when Odysseus eventually speaks, even after all those long years, Argos, his old, dying dog—so miserably old that the only way the beast can stay warm is lay on a composting manure pile—instantly lifts up his head in excitement, having recognized his master’s voice. The presence of his master’s voice, of course, means to the dog that his master has finally returned. Thus Nipper, the name of the dog used as a model in the painting that eventually became RCA’s logo, is really misnamed. In honor of that miserably old dog that waited twenty years just to hear--once more before he died--his master’s voice, RCA’s mascot should be re-christened Argos.

The Leslie did not originate as a speaker the purpose of which was to reproduce “his master’s voice.” Although invented in the 1940s to augment the sound of the Hammond organ, in the 1960s the Leslie--named after its inventor, Donald J. Leslie (1911-2004)--began to be put to use by rock bands in an unexpected way. Michael Jarrett writes:

The overlapping waveforms produced by the Leslie’s two speakers—not unlike the effect derived by yelling into an electric fan—generate a sonic moiré pattern (a Doppler effect): the tremulant sound associated with Hammond organs. But other instruments have also been played through Leslie cabinets....To the psychedelic mind, the Leslie and LSD were homologous; both altered everyday perception. (140)

The lead guitar part on The Beach Boys’ “Pet Sounds” was modified by a Leslie, while on “In-A-Gadda-Da-Vida” it was Ron Bushy’s drums. The Beatles’ vocals were modified by a Leslie on “Tomorrow Never Knows” (among others), as was Ozzy Osbourne’s on Black Sabbath’s “Planet Caravan.”

A Few Representative Recordings Featuring the Leslie:

The Beach Boys, “Pet Sounds,” Pet Sounds (1966)
The Beatles, “Tomorrow Never Knows,” Revolver (1966)
Procol Harum, “A Whiter Shade of Pale,” Procol Harum (1967)
Steppenwolf, “Born to be Wild,” Steppenwolf (1968)
The Band, “Tears of Rage,” Music from Big Pink (1968)
Iron Butterfly, “In-A-Gadda-Da-Vida,” In-A-Gadda-Da-Vida (1968)
Black Sabbath, “Planet Caravan,” Paranoid (1970)

The Leslie was to LSD what the Moog synthesizer was to interstellar space travel. If the Leslie was light-hearted and benign, the Moog synthesizer was dark and forboding: the Leslie was incapable of creating the sinister drone of the Moog. However, both machines reveal that for sixties rock bands, sound made all the difference. According to Trevor Pinch and Frank Trocco, in Analog Days: The Invention and Impact of the Moog Synthesizer (Harvard University Press, 2002), Donald Cammell and Nic Roeg’s Performance (filmed 1968, released 1970) “is the only movie we know of where the Moog synthesizer [a Moog Series III] itself makes a cameo appearance.” (Brian De Palma’s Phantom of the Paradise [1974] featured the synthesizer TONTO, but not its sounds. Jon Weiss actually set up a patch for Mick Jagger on the Performance set.) Pinch and Trocco write:

In a key scene . . . Turner [Mick Jagger] for a moment is the mad captain at the controls of spaceship Moog. The Moog and its sounds are the perfect prop, part of the psychedelic paraphernalia, the magical means to transmigrate a fading rock star into something else. The Moog was a machine that empowered such transformations. The synthesizer for a short while in the sixties was not just another musical instrument; it was part of the sixties apparatus for transgression, transcendence, and transformation. No wonder the sixties rock stars loved their Moogs. (305)

The synthesizer’s key place in sixties rock began in June 1967. Paul Beaver and Bernie Krause (the recording duo of Beaver & Krause) set up a booth on the Monterey fairground as part of the Monterey International Pop Festival in June 1967 in order to promote, and perhaps even sell, the Moog synthesizer. They actually sold several. According to Pinch and Trocco, “Monterey was the place where the subculture became mainstream” (117).

A Few Representative Recordings Featuring the Moog Synthesizer:

Mort Garson and Bernie Krause, The Zodiac Cosmic Sounds (1967)
Johnny Mandel, Point Blank (1967) (Film Score Monthly, 2002)
The Doors, Strange Days (1967)
Paul Beaver and Bernie Krause, The Nonesuch Guide to Electronic Music (1968)
The Byrds, The Notorious Byrd Brothers (1968)
Walter [Wendy] Carlos, Switched-On Bach (1968)
Emerson, Lake, and Palmer, Emerson, Lake, and Palmer (1971)