Interesting movie. Music Electric Flag.
The Trip (1967) is a counterculture-era psychedelic film released by American International Pictures, directed by Roger Corman, written by Jack Nicholson, and shot on location in and around Los Angeles, including on top of Kirkwood in Laurel Canyon, Hollywood Hills, and near Big Sur, California in 1967. Peter Fonda stars as a young television commercial director named Paul Groves.