19:04BBC National Orchestra of Wales24/07/2009BBC Radio Wales Duration: 1 hour, 56 minutes Fri 24th Jul 2009, 19:04 on BBC Radio Wales ExtraBeverley Humphreys introduces a concert of 'Revolutionary and Romantic Music' by Berlioz and Beethoven from the 2009 Welsh Proms at St David's Hall in Cardiff.GenresMusicClassicalOrchestralBrandBBC National Orchestra of Wales Source: BBC Online