Plagal

[pleigәl]

Definition

(a.) Having a scale running from the dominant to its octave; -- said of certain old church modes or tunes, as opposed to those called authentic, which ran from the tonic to its octave.

Edited by Jeffrey

Definition

adj. in Gregorian music denoting a mode or melody in which the final is in the middle of the compass instead of at the bottom—opp. to Authentic.

Inputed by Jon