A 13-person choir, and featured vocals by Melissa Kaplan.
In later interviews it was revealed that the choir is probably the English Chamber Choir and that the male vocalist is Guy Protheroe; the choir also featured on Heaven and Hell (1975).
The choir also featured on the original recording 1999 and also in the music video.
For many years the choir featured on albums by Vangelis, and is probably best known for being featured on his soundtrack to the Ridley Scott film 1492: Conquest of Paradise.
Its music includes Pipe organ, electronica-tinged sounds and features the Choir Graduale Nobili, the choir featured on Biophilia.
The article announcing the results noted: "St. Cyril's choir features a 40-plus-voice choir directed by well-known organist and choral conductor, William 'Bill' Beck.
The choir also featured (along with Chris de Burgh) on a special New Year's Day BBC Songs of Praise programme which was broadcast to over 35 million viewers worldwide.
The choir has also featured in Radio and TV broadcasts, most recently on BBC Radio 4's Sunday Worship; and on Vatican Radio and 'Songs of Praise'.
Morrison had intended to record the album a cappella with only vocal backing by a vocal group he called the Street Choir, but the songs released on the album that included the choir also featured a backing band.
This choir features boys aged five, six, and seven.