The crossword solution for the term 'Calypso Relative' is SKA. SKA is a genre of music that originated in Jamaica in the late 1950s and is considered to be the precursor to reggae. It is characterized by a heavy backbeat, offbeat guitar riffs, and a strong emphasis on the offbeat. The term 'Calypso Relative' is used to describe a style of music that is related to calypso, which is a type of Caribbean music that originated in Trinidad and Tobago.