Last time I left out one of the Cs, Petula Clark. A major omission, mea culpa, mea culpa, mea maxima culpa. Here's 1964's Downtown.
From the sweet to the Dionysian hard core of rock and roll, Spencer Davis, Gimme Some Lovin. A great driving song. Try not to pound a hole in the dashboard.
And from there to the folk strains of Donovan, Catch the Wind. Colours. Here is a dumbassed YouTube comment: "The singing style, the guitar style, even the cap: everything here screams, 'Dylan impersonator!'" You may as well argue that Dylan was a Woody Guthrie impersonator. Though not on Dylan's level, Donovan was a major ingredient in the flavor of the fabulous and far-off 'sixties.
Colours duet with Joan Baez at Newport Folk Festival. Here's another great duet version of Catch the Wind: Joan and Mimi Baez. Season of the Witch. Drifting psychedelic . . . .
And then there was the Dave Clark Five, Glad All Over. A little plastic . . . . 'Plastic' is '60s slang for fake, less than authentic, artificial. Here is a glossary of '60s slang. Not entirely accurate, but pretty good.