Which operators offer a genre of music?
CREATE TABLE "table1_1837570_1" (
  "frequency_in_kuala_lumpur_selangor_putrajaya_and_environs" text,
  "station" text,
  "operator" text,
  "language" text,
  "genre" text,
  "coverage_area" text
);
SELECT "operator" FROM "table1_1837570_1" WHERE "genre"='music';