Fourth Mode

"A festal and a dancing tone, you bear by musical opinion a fourth boast. Dancers you welcome, and you form them too, To voices give the prize, on cymbals beat. You, the fourth Tone, as filled with melodies, the serried lines of dancers eulogize."

- The Paraklitike

Fourth Mode, also referred to as Fourth Tone or Tone 4, is a mode of Byzantine Chant. Its plagal is Plagal Fourth Mode.