Watch Summer of Soul (...Or, When the Revolution Could Not Be Televised) (2021) HD Full Movie Free on SolarMovie. Watch Summer of Soul (...Or, When the Revolution Could Not Be Televised) (2021) online free. Documentary about the legendary 1969 Harlem Cultural Festival which celebrated African-American musi...Documentary about the legendary 1969 Harlem Cultural Festival which celebrated African-American music and culture and promoted Black pride and unity.