Turn on, tune in, drop out for NBC Radio's Talknet nighttime programming block of call-in advice shows. Another variation, "Turn On, Tune In, Cop Out", was the title of a 1993 single by the band 'Freak Power'—the name itself being a reference to the hippie culture. Turn on, tune in, drop out "Turn on, tune in, drop out" is a counterculture-era phrase popularized by Timothy Leary in 1966. In 1967 Leary spoke at the Human Be-In, a gathering of 30,000 hippies in Golden Gate Park in San Francisco and phrased the famous words, "Turn on, tune in, drop out". It was also the title of his
Symphony on a Hymn Tune thing itself. There's nothing extraneous, it's strong as hell and the parts fit, but you could swear that some of them have deliberately been put in upside down." Carol J. Oja of NPR especially praised the fourth movement, "Alla breve," saying, "The fourth movement reveals how Thomson transforms melodic material. Sometimes he does so transparently, sometimes with intentional 'wrong' notes. In an era when his modernist colleagues often revered complexity, Thomson took a radical turn to simpler writing, and his cinematically sweeping melodies evoke vast expanses of the American prairie." Significant passages from "Symphony on a Hymn Tune" were reused