THE National Youth Orchestra of Wales will celebrate its 70th birthday in style with its final concert of 2016 tour at St David’s Hall on Friday 5 August. Plus, the world’s oldest national youth orchestra will be joined by acclaimed Conductor Carlo Rizzi, and there will be a specially written piece entitled A Fanfare of Our Youth by NYOW alumnus Gareth Wood to mark the incredible milestone anniversary. Carlo Rizzi Also on the repertoire is Bartók’s Concerto for Orchestra and…