The 'gayan-bayan' is a traditional performance of the Vaishnav Sattriya tradition. The singer is called 'gayan' and the instrument players are called 'bayan'. Sattriya dance and music belong to the Vaishnavite monastery like institutions of Assam. This performance is from the Kamalabari Sattra.
Gayan Bayan in praise of Sankardev and Madhabdev (Singer-drummer performance of the Kamalabari Sattra)