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
Turn! Turn! Turn! (album) first writing credit on a Byrds' album. However, the band's prolific songwriter Gene Clark still contributed most of the original material. The album also included two Bob Dylan covers: "The Times They Are a-Changin'" and the then unreleased song, "Lay Down Your Weary Tune". "Turn! Turn! Turn!" would be the last Byrds' album to feature the full participation of Gene Clark until the release of the original quintet's 1973 reunion album, "Byrds". In the wake of the international success of their debut album and the hit singles "Mr. Tambourine Man" and "All I Really Want to Do", The Byrds entered