LONDON (Reuters) – So what do you do for an encore to cap an extraordinary two months of concerts and recitals in a summer series that bills itself as the “world’s greatest music festival” on its last weekend in the 2012 Olympics city? Well, you party, big time, with two concerts, one indoors, one out, featuring a genre-bending array of singers and musicians, from Maltese tenor Joseph Calleja and Scottish violinist Nicola Benedetti to Australian pop star Kylie Minogue and English tenor Alfie Boe, plus a four-minute-long orchestral premiere whose composer guarantees a sonic explosion in what …
