Sion has appeared regularly during the past two years at Dartington Summer Schools and with the British Youth Opera
He tested out his early voice in youth clubs before going on to sing with the British Youth Opera
where met his wife, Tanwen.
Other roles include Belcore - L'elisir d'amore and Germano - La scala di seta for British Youth Opera
, Dog and Innkeeper - The Cunning Little Vixen for Grange Park Opera and Count Almaviva - Le nozze di Figaro.
Bethany Halliday has worked with English National Opera, D'Oyly Carte and British Youth Opera
. As well as her role in Mass in Blue, this season includes performances at Glasgow's Royal Concert Hall and the role of Adele with Eastern Opera.
l British Youth Opera
gets pounds 50,000 to fund the 1998 Princess of Wales Summer Season to give more than 100 young singers, musicians and production staff the opportunity to train and perform.
Burgess made her opera directing debut in 2009 with Mozart's Cos fan tutte for English Chamber Opera at Buxton and in London and also works with singers on the Jette Parker Young Artists Programme at the Royal Opera House, Les Azuriales Opera Festival's Young Artists Programme, young artists programmes in Moscow and British Youth Opera
The Arts: The American Friends of Covent Garden, Royal Academy of Dramatic Art, The Royal Academy of Music, The Albany - President, The BOC Covent Garden Festival, The British Youth Opera
, BT National Children's Orchestra, Chester Summer Music Festival, Chicken Shed Theatre Company, London City Ballet, London Symphony Chorus, Scottish Chamber Orchestra, Serpentine Gallery, Swansea Festival of Music and the Arts Ltd, Wales Craft Council, Welsh National Opera
Operatic roles include Rodolfo - La bohme (British Youth Opera
), Boris - Katya Kabanova and Alfredo - Die Fledermaus (RNCM), Nemorino - L'elisir d'amore and the Duke - Rigoletto.