Many thanks for that info Freddy, which lead me to following videos posted by The Song Company.

An interview with Gavin Bryars about the new choral piece and the piece in general. He also talks about the 12 hour performance in London, which I attended.


Burden of Truth: Jesus' Blood Never Failed Me Yet

This video about the recording of the piece for the album during covid restrictions.

Burden of Truth: The Making of a lockdown album

Like you say, it is frustrating, if not downright odd, that no mention is made of the connection with the J M Black piece.