Passiontide motet for double choir, edited by Ben Byram-Wigfield
Source: British Library G.509 and H.790
Note values have been halved and the music transposed down a tone. Barlines, small and bracketed accidentals are editorial. Small accidentals are used to show extended or reduced validity of source accidentals, and musica ficta. Bracketed accidentals are cautionary. Some underlay is editorial.