Tawag ng Tanghalan hurado Randy SantiagoRandy Santiago returns to noontime to screen aspiring singers in the country’s biggest singing competition. He joins the lineup of “Tawag ng Tanghalan” judges that includes punong hurado Rey Valera and Ogie Alcasid. Viewers at home, meanwhile, have a chance to win P5,000 in cash if they correctly choose the contestant who will win the daily round. To register in “Tawag ng Tahanan,” text TNT (space) NAME, AGE, GENDER, ADDRESS and send to 2236.Text TNT (space) DAILY or TNT (space) DEFENDING to choose between the daily winner and the defending champ.