Mass of the Angels for unison voices (1966)

Adam lay y bounden for unison voices and piano or organ (1990)

But fundamentally they are about people, a crowd, a mass, a unison voice.

The unison voice made different word choices, responded in a way that was different from Dee or Dum.

The unison voice was not merely two beings talking as one.

"Both willl speeak, and then eachhh," said the unison voice.

They also contain psalm settings, harpsichord music and verse anthems which he had arranged for unison voices.

Songs of Advent for unison voices and organ (1987)

Gossip Joan (arranged for piano and unison voice, with descant)

O Men from the Fields for unison voices (1961)