Timothy Leary - Turn On, Tune In, Drop Out (1966) Part 3Part 3 of 4. Timothy Leary's second album 'Turn On, Tune In, Drop Out' (1966) with segments from a film project by the same name. The film segment features images of San Francisco, the Human 'Be In' and the Summer of Love. Music by David Litwin, the Grateful Dead and the Beatles (George Harrison).