Gregorian One – U2 cover (Minsk 08.03.2016) Aug 17, 2016 18 Singles, Achtung Baby, Cover Gregorian, Cover One, Cover Pop, Cover Rock, Cover U2, Like 0 Thanks! You've already liked this « Gregorian – Moment of Peace (Piano Cover) » Gregorian – Moment of Peace (Cover Korg Pa 500)