'Der Rosenkavalier' at Royal Opera House, London
'Der Rosenkavalier', a comic opera in three acts, is being staged at the Royal Opera House, London, and will continue on various dates through January 24, 2017.The operatic comedy is conducted by Andris Nelsons with Robert Carsen as the director.The opera, thanks in part to its exquisite music, has become one of the staple works in the opera repertory.'Der Rosenkavalier' is presented in co-production with T…