Par KNAGGS DANIEL. Blessed are Those Who Mourn arranged for unaccompanied mixed voice choir by Daniel Knaggs. Premiered by: Trinity College Choir, Stephen Layton, conductor on September 20, 2015 'This is one of the two motets I chose to compose in a contemporary response to Zarlino’s Le Istitutioni Harmoniche (1558). Caritas Dei diffusa est takes a more historical approach whereas Blessed are Tho…