Turn on, tune in, drop out New York City on September 19, 1966. It urged people to embrace cultural changes through the use of psychedelics by detaching themselves from the existing conventions and hierarchies in society. It was also the motto of his League for Spiritual Discovery. The phrase was derided by more conservative critics. In his speech, Leary said: Leary later explained in his 1983 autobiography "Flashbacks": "Turn on, tune in, drop out" is also the title of a book () of essays by Timothy Leary, covering topics ranging from religion, education, and politics to Aldous Huxley, neurology, and psychedelic drugs. Leary later (during the
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