CREATE TABLE table_204_866 (id DECIMAL, "name" TEXT, "lifetime" TEXT, "nationality" TEXT, "notable as" TEXT, "notes" TEXT)

who is the first pop musician on this list ?
SELECT "name" FROM table_204_866 WHERE "notable as" = 'pop musician' ORDER BY id LIMIT 1
SELECT "name" FROM "table_204_866" WHERE "notable as" = 'pop musician' ORDER BY "id" NULLS FIRST LIMIT 1