BBC Proms: Sir Henry Wood Promenade Concerts 1973 - Seventy-Ninth Season - Prom 25 | 15 August 1973 |
Hertfordshire County Youth Orchestra and Choirs to Mark Save the Children's Diamond Jubilee, in aid of the Save the Children Fund | 12 April 1979 |
Hertfordshire Schools Gala 2023 | 30 April 2023 |
Hertfordshire Schools Gala 2023 | 30 April 2023 |
Hertfordshire Schools' Gala | 23 March 2025 |
Hertfordshire Schools' Gala | 23 March 2025 |
Hertfordshire Schools' Gala 2015 | 13 March 2016 |
Hertfordshire Schools' Gala 2020 | 8 March 2020 |
Hertfordshire Schools' Gala 2020 | 8 March 2020 |
Orff's 'Carmina Burana' - Hertfordshire County Youth Orchestra, in aid of British Council for Prevention of Blindness | 8 April 1991 |