This is what we found on Wikipedia regarding the Omar Perry:

Lee "Scratch" Perry (born Rainford Hugh Perry; 20 March 1936 – 29 August 2021) was a Jamaican record producer, singer and songwriter noted for his innovative studio techniques and production style. Perry was a pioneer in the 1970s development of dub music with his early adoption of remixing and studio effects to create new instrumental or vocal versions of existing reggae tracks. He worked with and produced for a wide variety of artists, including Bob Marley and the Wailers, Junior Murvin, the Congos, Max Romeo, the Heptones, Adrian Sherwood, the Beastie Boys, Ari Up, the Clash, the Orb, and many others.