CREATE TABLE table_71092 ("Artist" TEXT, "Country of origin" TEXT, "Period active" TEXT, "Release-year of first charted record" FLOAT, "Genre" TEXT, "Claimed sales" TEXT)

Name the genre for release-year of firsst charted less than 1980 and origin of jamaica
SELECT "Genre" FROM table_71092 WHERE "Release-year of first charted record" < '1980' AND "Country of origin" = 'jamaica'
SELECT "Genre" FROM "table_71092" WHERE "Country of origin" = 'jamaica' AND "Release-year of first charted record" < '1980'