WIKIPEDIA:

“ U-Roy (born Ewart Beckford, 21 September 1942, Jones Town, Jamaica), OD, is a Jamaican musician, also known as The Originator. He is best known as a pioneer of toasting.

Biography
U-Roy's musical career began in 1961 when he began deejaying at various sound systems. This included a stint operating Sir Coxsone Dodd's Number Two set, while King Stitt "The Ugly One" ran the main set. U-Roy eventually worked with King Tubby at Duke Reid's Sound System in the late 1960s. Around this period, King Tubby had started to experiment with his studio equipment in an attempt to create new effects and sounds, which would eventually lead to a new style of Reggae called dub music. With U-Roy as his most prominent deejay and with access to some of Treasure Isle Studios' finest rocksteady rhythms, King Tubby's new sound became extraordinarily popular and U-Roy became a local celebrity. However, his first single "Earth's Rightful Ruler" was not a King Tubby collaboration; it was recorded with Peter Tosh for Lee "Scratch" Perry.
He recorded Dynamic Fashion Way (his first successful release) for Keith Hudson in 1969, and then went on to work with almost every major producer on the island: Lee [......] ”

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