In the church modes of Gregorian chant a cofinal (cofinalis or affinalis) is an alternative final or tonic. In Music, a scale is an ordered series of Musical intervals which along with the key or tonic, define the pitches However mode History Gregorian chant was organized codified and notated mainly in the Frankish lands of western and central Europe during the 12th and 13th centuries with later additions The tonic is the first note of a musical scale in the tonal method of Musical composition. Typical a mode would end on either d, e, f, or g, while those ending on a, b, or c' used the cofinal. (Hoppin 1978, p. 66)
Source
- Hoppin, Richard H. (1978). Medieval Music. New York: W. W. Norton & Co. ISBN 0-393-09090-6.