Ernest Ranglin OD (born 19 June 1932) is a Jamaican guitarist and composer who established his career while working as a session guitarist and music director for various Jamaican record labels including Studio One and Island Records. Ranglin played guitar on many early ska recordings and helped create the rhythmic guitar style that defined the form. Ranglin has worked with Theophilus Beckford, Jimmy Cliff, Monty Alexander, Prince Buster, the Skatalites, Bob Marley and the Eric Deans Orchestra. He is noted for a chordal and rhythmic approach that blends jazz, mento and reggae with percussive guitar solos incorporating rhythm 'n' blues and jazz inflections.