Overview: Morten Frank Larsen, Bass-Baritone Julius Foo, Treble Ysgol Gynradd Gymraeg Pwll Coch, Caerdydd Ysgol Gynradd Gymunedol Gymraeg, Llantrisant Ysgol Gynradd Dolau, Llanharan Ysgol Gynradd Gymraeg, Rhydaman National Youth Choir of Wales Aelwyd y Waun Ddyfal Musicians from the Royal Welsh College of Music & Drama BBC National Chorus of Wales BBC National Orchestra of Wales National Youth Orchestra of Wales Kristjan Järvi,Conductor Thomas Kiemle, Stage Director Less a religious work than a theatrical happening, Bernstein’s Mass receives its first complete Proms performance, conducted by one of its most ardent champions, and supported by a spectrum of talented Welsh children and adult musicians. Using a mix of highbrow and vernacular styles, Bernstein created a rich, quintessentially American score that has recently begun to emerge as a modern classic. Petroc Trelawney, Host In English and Latin