WIKIPEDIA:

“ rightSlim Smith (born Keith Smith, 1948, Kingston, Jamaica, died 1973) was a ska, rocksteady and reggae singer. In their book Reggae: The Rough Guide (1997), Steve Barrow and Peter Dalton described Smith as "the greatest vocalist to emerge in the rocksteady era".

Biography
Smith first came to prominence as a member of the Victors Youth Band, who were highly praised at the 1964 Jamaican Festival. He subsequently became a founding member and lead vocalist of The Techniques, who recorded primarily with Duke Reid for his Treasure Isle label. In 1964 they recorded several songs for Byron Lee, two of which, "Don't Do It" and "No One", were included on the "The Real Jamaica Ska" LP released by Epic Records and co-produced by Curtis Mayfield. After the Techniques disbanded in 1965, he formed The Uniques, who released a handful of singles.
In 1969 Slim Smith commenced recording for Prince Buster and Coxsone Dodd's Studio One label, the main rival to Duke Reid. His Studio One recordings brilliantly highlight his passionate, soulful voice, which had an almost manic edge, and confirm him as one of Jamaica's greatest singers. His hits from this period include "The New Boss", "Hip Hug" and "Rougher Yet", [......] ”

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