I'm a trainee <a href=" http://levitra.poker/ ">levitra coupons discounts</a> For student and youth groups, however, the show is a gift. It offers a lot of small roles and while nothing is technically demanding, everyone is given a gratifying moment in the vocal spotlight. So in Britten&rsquo;s centenary year it must have been a no-brainer choice for British Youth Opera, the summer school which annually presents productions using post-graduate singers from our conservatoires.