Normally, rehearsals take many weeks. But singers of the first order have the ability to rise to the occasion, I suppose. Michael Fabiano, who played a fine Alfredo in La Traviata last summer, and returns to sing the title role in Poliuto next month, was out shopping when Gelb rang him and asked him to sing in Lammermoor in seven hours at the Met. Rush tickets are one thing, but cast? Fortunately, Fabiano said yes, rushed to New York, and went down something of a storm. Full story at New York Times.