What documentary had music composed by the person who wrote "I'll Feel a Whole Lot Better"?
Marijuana (1968 film): Marijuana is a 34-minute 1968 anti-drug documentary film by Max Miller and distributed by Avanti Films. Marijuana (1968 film):  Music for the documentary was composed by The Byrds' Gene Clark, a "bizarre" choice in his musical career, resulting in "meandering blues and pseudo-psychedelic instrumental jams". Gene Clark: Harold Eugene "Gene" Clark (November 17, 1944 – May 24, 1991) was an American singer-songwriter and founding member of the folk rock band the Byrds. Gene Clark:  He was the Byrds' principal songwriter between 1964 and early 1966, writing most of the band's best-known originals from this period, including "I'll Feel a Whole Lot Better", "She Don't Care About Time", and "Set You Free This Time".
Marijuana