Who was the producer that elevated The Wailers from an American R&B influenced group, to a group writing in a more indigenous Jamaican style and on a higher spiritual level of emotion?

Lee Perry

Explanation:Lee Perry was born in Rainford Hugh Perry on the 20 March 1936 , He is a Jamaican record producer and singer known for his innovative studio techniques and production style. Perry was the first to develop dub music in the 1970s with his early adoption of remixing and studio effects to create new instrumental or vocal versions of existing reggae tracks. Perry has also worked with and produced for a wide variety of artists, which includes Bob Marley and the Wailers, the Beastie Boys, the Orb, Junior Murvin, the Congos,Adrian Sherwood, Max Romeo, Ari Up, the Clash, etc