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 Your Radar Turn on Your Radar "Turn on Your Radar" is the nineteenth single by the Canadian rock band Prism. It was originally released in 1982, as the second single from the band's fifth studio album, "Small Change". It is notably the band's follow up to the hit "Don't Let Him Know", and their second and final single to feature Henry Small as their lead vocalist, after replacing Ron Tabak. The song was a commercial disappointment peaking at a poor chart position of 64 in the US. The song gained little airplay on album-oriented rock or adult-contemporary radio formats in the US.