Let All Mortal Flesh Keep Silence by Peter Flinn is an atmospheric setting of words from the Liturgy of St James. It has been widely performed, including by the Elizabethan Madrigal Singers of Aberystwyth in St. Canice's Cathedral in Kilkenny.

An alternative version for the stratospheric Alleluia section is given at the end for choirs where the main version is too high or awkward. This alternative version is silent in the Scorch playback on this site.