St Niketas of Remissiana on Orthodox Music

What might Orthodox singers in the 21st century learn from a Father of the 4th? In this broadcast, which includes portions taken from a recent retreat, Professor Dimitri Conomos reads a passage from the little-known St Niketas of Remissiana, which speaks with a startlingly 'modern' voice on the question of how to sing in an Orthodox manner in the divine services.