Article Title  I was surprised to come upon this article titled Gregorian Mode  While these modes wereare used for Gregorian Chant initially far from exclusively I have never in all my years of music research I hold a masters heard them called Gregorian modes  The common name for them are Church Modes see Grove Music Online Mode II Medieval modal theory Church Modes etc Since it is wikipedia policy to use the most common name for an article title I assert that we must change this articles title to comply