Bedfordshire, Berkshire, Bristol, Buckinghamshire, Cambridgeshire, Cheshire, County Durham, Devon, Dorset, East Riding of Yorkshire

Aberdeen Bach Choir, Aberdeen Vocal Ensemble, Bearsden Choir, Cadenza Choir, City of Glasgow Chorus, Dunedin Consort, Edinburgh Bach Choir, Edinburgh Gaelic Choir, Edinburgh Royal Choral Union, Edinburgh University Music Society

BBC National Orchestra and Chorus of Wales, Cantorion Creigiau, Cardiff Ardwyn Singers, Cavatina Singers, Côr Godre'r Garth, Llandaff Cathedral Choral Society, Llandudno Festival Singers, Newport Philharmonic Choir, The Spectrum Singers