By the mid-1960s, a group of Cambridge art-school friends had cycled through half a dozen names — the Meggadeaths, the Abdabs, the Spectrum Five — before settling on the Tea Set, then renaming again on the spot when a rival band turned up under the same one. Guitarist Syd Barrett improvised the fix: Pink Floyd, lifted from two Piedmont bluesmen, Pink Anderson and Floyd Council, whose 78s sat in his record collection. Through 1966 the band played mostly rhythm-and-blues covers, but Barrett's own songwriting — steeped in Bo Diddley, English nonsense verse, and LSD — pulled them toward something stranger. In early 1967 they cut The Piper at the Gates of Dawn in the room next to the Beatles' Sgt. Pepper's. Barrett's breakdown forced him out within a year; the band he left behind spent the next decade turning his fractures into arena-filling sound.
Original guitarist Bob Klose remembered the moment their sound started to become their own: "Syd was listening to Bo Diddley and getting his rhythm thing going, so that's what we would do," he said of their 1964 rehearsals, "gradually, it became Syd's sort of cosmic Bo Diddley." Barrett called Diddley his greatest influence outright, and the demo he wrote to prove it, "Double O Bo," welds the beat to a Bond-movie fantasy — Nick Mason later summed it up as "Bo Diddley meets the 007 theme." Klose quit within a year; Barrett took over as bandleader.
listen for"Hey! Bo Diddley" rides a single insistent guitar figure — the rectangular, syncopated "shave and a haircut" pulse Diddley made his signature — with almost no harmonic movement at all, just rhythm as content. "Double O Bo" borrows that same locked-in chug note for note, then bolts on spy-movie twang and a lyric that name-checks Diddley directly. Strip away Barrett's surf-guitar flourishes and studio patter and the rhythm underneath is Diddley's, unaltered.
Barrett was a teenager, already playing Beatles songs at parties and picnics in the winter of 1962 into 1963 — his earliest documented outside influence, by Wikipedia's account of his Cambridge years. The debt came full circle four years later: Pink Floyd cut The Piper at the Gates of Dawn in Abbey Road's Studio Three while, down the corridor, the Beatles recorded Sgt. Pepper's. "They were recording 'Lovely Rita' at the time," Nick Mason recalled of the visit, "...without the Beatles, we probably wouldn't have existed."
listen forNeither song is a cover of the other; the kinship is in what both do to a pop song's architecture. "Tomorrow Never Knows" replaces verses and choruses with a single hypnotic loop — a droning tambura pulse under backwards guitar and tape-loop seagull shrieks. "Interstellar Overdrive" does the same trick with a live band: a four-note riff dissolves into ten minutes of feedback and echo, structure abandoned in favor of pure, looping sound.
"Arnold Layne" was Pink Floyd's debut single, but its flip side carried the deeper blues debt: writing in Record Collector, biographer Mark Paytress noted that "Candy and a Currant Bun" was "heavily derivative of Howlin' Wolf's 'Smokestack Lightning.'" It's a rare specific admission from a catalogue the band otherwise treated as folklore to transform rather than credit — recorded at the same Sound Techniques sessions that produced "Interstellar Overdrive."
listen for"Smokestack Lightnin'" runs almost entirely on one droning chord, Wolf's howled, hair-raising falsetto riding a hypnotic, train-whistle guitar figure that never resolves. "Candy and a Currant Bun" keeps that riff's bones — the same circling, one-chord insistence — but doubles the tempo, brightens the tone, and buries Wolf's menace under Barrett's deadpan, drug-coded lyric about buying sweets at a corner shop, psychedelic pop grown out of a blues holler.