| | Elspeth Dutch | Principal Horn, City of Birmingham Symphony Orchestra, UK |
| | Kathryn Saunders | 2nd Horn, Royal Philharmonic Orchestra |
| | Frank Lloyd | Virtuoso horn player and Professor of Horn at the Folkwang Academy in Essen |
| | Timothy Jones | Principal Horn, London Symphony Orchestra |
| | Angela Barnes | 2nd Horn, London Symphony Orchestra |
| | John Ryan | 3rd Horn, London Symphony Orchestra |
| | Jonathan Lipton | 4th Horn, London Symphony Orchestra |
| | Hugh Seenan | Session player and Horn Professor, Guildhall School of Music |
| | Reinhard Zmoelnig | 2nd Horn, Volksoper Vienna |
| | Laurence Rogers | Principal Horn, Hallé Orchestra |
| | Richard Bissill | Principal Horn, London Philharmonic Orchestra |
| | Gareth Mollison | 2nd Horn, London Philharmonic Orchestra |
| | Christopher Parkes | 3rd Horn, London Philharmonic Orchestra |
| | Martin Hobbs | 4th Horn, London Philharmonic Orchestra |
| | Laurence Davies | Principal Horn, Royal Philharmonic Orchestra, London |
| | Jeffrey Bryant | Session player and Horn Professor, Guildhall School of Music London |
| | Martin Owen | Principal Horn, BBC Symphony Orchestra |
| | Nigel Black | Principal Horn, Philharmonia Orchestra and Head of Brass, Royal College of Music |
| | Roger Montgomery | Principal Horn, Orchestre Révolutionaire et Romantique and Orchestra of the Age of Enlightenment |
| | Anthony Halstead | Soloist & Principal Horn, The Academy of Ancient Music and The English Concert |
| | John Thurgood | Principal Horn, English National Opera and English Chamber Orchestra |
| | David Posner | Principal horn in the Orchestre Symphonique de Quebec |
| | Robert Ashworth | Principal Horn, Opera North |
| | Andrew Clark | Principal Horn, Orchestra of the Age of Enlightenment and The English Concert. Professor of Natural Horn, Royal Academy of Music |
| | Jonathan Barrett | Principal Horn, Royal Liverpool Philharmonic Orchestra, UK |
| | Robert Cook | Principal Horn, Scottish Chamber Orchestra |
| | Laurence Davies | Principal Horn, Philharmonia Orchestra, London |