On Wikipedia https://en.wikipedia.org/wiki/The_Sixteen
Alternative Spellings Sixteen Choir
Creation 1977
Country United Kingdom

The Sixteen are "The Voices of Classic FM", TV media partner with Sky Arts and associate artists of the Southbank Centre in London and Bridgewater Hall in Manchester. The group promotes an annual series at the Queen Elizabeth Hall as well as the Choral Pilgrimage, a tour of Britain's finest cathedrals: bringing music back to the buildings for which it was written. The Sixteen featured in the BBC Four television series Sacred Music, presented by actor Simon Russell Beale. A second series was broadcast on BBC Four in 2010. wikipedia