It is the musical hall with musical pillars inside the Vitthala complex in Hampi. The musical hall or Dolotsava mantapa has sixty pillars. They ring musical notes when knocked on and are situated within the Mahamantapa of Vitthala temple. Hampi, a historic place was once the seat of the Vijayanagara dynasty in Karnataka. Hampi is one of the UNESCO World Heritage Sites and is situated on the southern bank of Tungabhadra river in India.