The high musical level reached in Un Ballo in maschera that in the last days has been offered at Liceu has managed to bring success to the performances, which otherwise  in the strictly theatrical scope would have been a failure. The main merit in the triumph of this Ballo must be attributed to maestro Riccardo Frizza, who managed to get the orchestra to offer one of the best performances of the season. Frizza got from the instrumental ensemble the relatively restrained, intimate...