CHORAL VETERAN OVERCOMES TRAGEDY TO LEAD YOUNG SINGERS TO LIVE SEMI-FINALS  (Wales’ only Semi-Final entry!)   A choral conductor who has been conducting a children’s choir since the shadow years of World War II will this week lead his youth singers with pride as they reach the Semi-Finals of ITV’s Britain’s Got Talent. Wales’ Angelicus Celtis comprise of everyday schoolgirls aged 12 and up from the ranks of the Hywel Girls’ Choir led by conductor John Hywel Williams who has nurtured…