CREATE TABLE table_name_92 (genre VARCHAR(255), release_year_of_first_charted_record VARCHAR(255), country_of_origin VARCHAR(255))
Name the genre for release-year of firsst charted less than 1980 and origin of jamaica
    
SQL: SELECT genre FROM table_name_92 WHERE release_year_of_first_charted_record < 1980 AND country_of_origin = "jamaica"