Black Sunday is the second studio album by American hip hop group Cypress Hill, released on July 20, 1993 by Ruffhouse and Columbia Records. The album debuted at #1 on the US Billboard 200, selling 261,000 copies in its first week of sales and becoming the highest Soundscan recording for a rap group at the time. The album went Triple platinum in the U.S., with 3.4 million units sold.
The first single, "Insane in the Brain", became a crossover hit, starting a following among rock audiences. A censored version of the album was also made which removes the song "A to the K". "Hand on the Glock" is a re-recorded version of the track "Hand on the Pump", from the debut album Cypress Hill. The booklet of the album contains 19 facts about the history of hemp and the positive attributes of cannabis.