Jamaican Pop is a genre of music that originated in Jamaica in the late 1950s. It is a combination of traditional mento and calypso music with American jazz, rhythm and blues, and ska. Ska, which is the answer to the crossword puzzle, is a style of music that originated in Jamaica in the late 1950s and is characterized by a walking bass line, offbeat rhythms, and a strong emphasis on the first and third beats in each bar.