"Summertime Blues" is originally a 1958 song recorded sa pamamagitan ng Eddie Cochran. Blue Cheer recorded it for their debut album "Vincebus Eruptum" in 1968.
Black Sabbath were filmed live at L'Olympia Bruno Coquatrix in Paris performing songs from the first album and Paranoid on 20 December 1970. (concert part begins just before the 2 min. mark)