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 On, Tune In, Cop Out Singles Chart and was the only hit single for the group, but they still reached the Top 30 one more time in 1998. Turn On, Tune In, Cop Out "Turn On, Tune In, Cop Out" was the biggest hit single for Norman Cook's acid jazz group, Freak Power, released in October 1993 as a single. The song features a smooth jazz sound and the baritone vocals of lead singer Ashley Slater. The single originally wasn't very well received, at least not commercially, only making number 29 in the United Kingdom. However, two years later, the song was used in the