| Tuesday 7 January 2020 • 1:10 to 1:50 • St George's, Hanover Square, W1S 1FX • Michal Szostak (Lichen Basilica, Poland) • admission free / retiring collection |
| Tuesday 21 January 2020 • 1:10 to 1:50 • St George's, Hanover Square, W1S 1FX • Katherine Meloan (Manhattan School of Music, New York City, USA) • admission free / retiring collection |
| Sunday 26 January 2020 • 4:45 to 5:15 • Westminster Cathedral, SW1P 1QW • Christian Gautschi (Zürich-Oerlikon Reformed Church, Switzerland) • admission free / donations welcome |
| Monday 27 January 2020 • 1:00 to 1:50 • St Michael's, Cornhill, EC3V 9DS • Christian Gautschi (Zürich-Oerlikon Reformed Church, Switzerland) • admission free / retiring collection |
| Thursday 30 January 2020 • 1:15 to 1:55 • St Mary Redcliffe, BS1 6RA • Hamish Wagstaff (St Matthew's, Manly, NSW, Australia) • admission free / retiring collection |
| Tuesday 4 February 2020 • 1:10 to 1:50 • St George's, Hanover Square, W1S 1FX • Iain Quinn (Florida State University, Tallahassee, USA) • admission free / retiring collection |
| Wednesday 5 February 2020 • 1:00 to 1:45 • Bradford Cathedral, BD1 4EH • Stefan Donner (Vienna, Austria) • admission free / retiring collection |
| Sunday 16 February 2020 • 5:45 to 6:15 • Westminster Abbey, SW1P 3PA • David Bendix Nielsen (Roskilde Cathedral, Denmark) • admission free |
| Ash Wednesday 26 February 2020 • 1:00 to 1:45 • Bradford Cathedral, BD1 4EH • Irena Kosíková (Prague, Czech Republic) • admission free / retiring collection |
| Monday 23 March 2020 • 1:00 to 1:50 • St Michael's, Cornhill, EC3V 9DS • Wesley Warren (St Barnabas', Ottawa, Canada) • admission free / retiring collection |
| Saturday 28 March 2020 • 12:00 to 1:00 • Malvern Priory, WR14 2AY • Manuel Torregrosa (Murcia Cathedral, Spain) • admission free / retiring collection |
| Monday 20 April 2020 • 7:30 to 9:05 • The Royal Festival Hall, SE1 8XX • Carol Williams (San Diego, California, USA) • admission £15 |
| Saturday 25 April 2020 • 7:30 to 8:45 • St John the Evangelist, Islington, N1 8AL • Mitchell Miller (Hochschule für Musik, Stuttgart, Germany) • admission free / retiring collection |
| Thursday 7 May 2020 • 1:15 to 1:55 • St Mary Redcliffe, BS1 6RA • Hans Uwe Hielscher (Marktkirche, Wiesbaden, Germany) • admission free / retiring collection |
| Thursday 14 May 2020 • 6:30 • St Paul's Cathedral, EC4M 8AD • Johann Vexo (Nancy Cathedral, Lorraine, France) • admission £12 / concessions £8 |
| Saturday 16 May 2020 • 12:30 to 1:10 • Waltham Abbey Church, EN9 1DG • Simon Thomas Jacobs (Seattle, Washington, USA) • admission free / retiring collection |
| Wednesday 27 May 2020 • 1:00 to 1:40 • Blackburn Cathedral, BB1 5AA • Jillian Gardner (First United Methodist, Huntsville, Alabama, USA) • admission free / suggested donation £4 |
| Wednesday 27 May 2020 • 7:30 to 9:00 • Gloucester Cathedral, GL1 2LX • David Briggs (Concert Organist) • admission free / retiring collection |
| Thursday 28 May 2020 • 1:15 to 1:55 • St Mary Redcliffe, BS1 6RA • Paul Rosoman (St Luke's, Wellington, New Zealand) • admission free / retiring collection |
| Saturday 30 May 2020 • 4:00 • Bloomsbury Central Baptist Church, WC2H 8EP • Jillian Gardner (First United Methodist, Huntsville, Alabama, USA) • admission free / retiring collection |
| Thursday 25 June 2020 • 1:15 to 1:55 • St Mary Redcliffe, BS1 6RA • Jonathan Vaughn (Christ Church, Greenwich, Connecticut, USA) • admission free / retiring collection |
| Friday 26 June 2020 • 12:40 to 1:20 • St Chad's, Shrewsbury, SY1 1JX • Sara Musemuci (Sicily) • admission free / retiring collection |
| Saturday 27 June 2020 • 7:30 to 8:45 • St John the Evangelist, Islington, N1 8AL • Jennifer Chou (Melbourne, Australia) • admission free / retiring collection |
| Thursday 9 July 2020 • 12:15 to 1:00 • Chesterfield Parish Church, S40 1XJ • Jonathan Ayerst (Sheffield University) • admission free / retiring collection |
| Thursday 9 July 2020 • 1:15 to 1:55 • St Mary Redcliffe, BS1 6RA • Iain Quinn (Florida State University, Tallahassee, USA) • admission free / retiring collection |
| Saturday 11 July 2020 • 7:30 to 9:15 • Buckfast Abbey, TQ11 0EE • Olivier Houette (Poitiers, France) • admission £10 / season ticket £50 |
| Thursday 16 July 2020 • 1:15 to 1:55 • St Mary Redcliffe, BS1 6RA • Alessandro Bianchi (St Edward's Anglican Church, Lugano, Italy) • admission free / retiring collection |
| Friday 17 July 2020 • 12:40 to 1:20 • St Chad's, Shrewsbury, SY1 1JX • Colin Andrews (Indiana University, USA) • admission free / retiring collection |
| Saturday 25 July 2020 • 12:30 to 1:10 • Waltham Abbey Church, EN9 1DG • Jamie Hitel (Christ Church, Greenwich, Connecticut, USA) • admission free / retiring collection |
| Saturday 25 July 2020 • 7:30 to 8:45 • St John the Evangelist, Islington, N1 8AL • Katelyn Emerson (Hochschule für Musik, Stuttgart, Germany) • admission free / retiring collection |
| Sunday 26 July 2020 • 4:45 to 5:15 • Westminster Cathedral, SW1P 1QW • Charles Tompkins (Furman University, Greenville, South Carolina, USA) • admission free / donations welcome |
| Saturday 1 August 2020 • 12:30 to 1:00 • Liverpool Cathedral, L1 7AZ • David Henning (St Martin's Episcopal Church, Houston, Texas, USA) • admission £1 |
| Wednesday 19 August 2020 • 12:30 to 1:25 • Ashton Hall (Town Hall), Lancaster, LA1 1PJ • Alessandro Bianchi (St Edward's Anglican Church, Lugano, Italy) • admission free / retiring collection |
| Friday 21 August 2020 • 7:30 to 8:30 • St Joseph's, Kilmarnock, KA3 1HB • Alessandro Bianchi (St Edward's Anglican Church, Lugano, Italy) • admission free / donations to the Organ Fund |
| Saturday 22 August 2020 • 12:00 to 1:15 • Victoria Hall, Hanley, ST1 3AD • Sebastian Heindl (Hochschule für Musik, Leipzig, Germany) • admission £10.50 / concessions £9 |
| Saturday 29 August 2020 • 11:00 to 11:40 • St James the Great, Dursley, GL11 4JE • Carl Grainger (France) • admission free / retiring collection |
| Bank Holiday Monday 31 August 2020 • 12:00 to 1:00 • Malvern Priory, WR14 2AY • Kai Krakenberg (Marienkirche, Husum, Germany) • admission free / retiring collection |
| Thursday 3 September 2020 • 6:30 • St Paul's Cathedral, EC4M 8AD • Samuel Kummer (Dresden Frauenkirche, Germany) • admission £12 / concessions £8 |
| Tuesday 8 September 2020 • 7:00 to 9:15 • The Troxy Theatre, Stepney, E1 0HX • John Giacchi (Australia) • admission £15 / COS members £13 |
| Wednesday 23 September 2020 • 7:30 to 9:00 • Gloucester Cathedral, GL1 2LX • Daniel Seeger (Universität der Künste, Berlin, Germany) • admission free / retiring collection |
| Thursday 1 October 2020 • 6:30 • St Paul's Cathedral, EC4M 8AD • Christopher Houlihan (Trinity College, Hartford, Connecticut, USA) • admission £12 / concessions £8 |
| Sunday 11 October 2020 • 7:45 to 8:30 • Christ's Chapel of God's Gift, Dulwich, SE21 7AD • Piergiovanni Domenighini (Pisa, Italy) • admission free / retiring collection |
| Saturday 24 October 2020 • 7:30 to 8:45 • St John the Evangelist, Islington, N1 8AL • Isabelle Demers (Baylor University, Texas, USA) • admission free / retiring collection |
| Monday 2 November 2020 • 1:00 to 1:50 • St Michael's, Cornhill, EC3V 9DS • Stefan Donner (Vienna, Austria) • admission free / retiring collection |