Critical Sinking

Andy Netzel: Donald Rosenberg never brings a reporter's notebook to Severance Hall.



A classical music writer for more than a quarter-century, he jots notes on the night's program for fear that the flip of a page might be a distraction.



Though many others in the audience have cast aside their formal attire, some even refusing to change from their denim, thePlain Dealer critic sports a coat and tie out of respect for the institution.



Tonight, music director Franz Welser-Möst is conducting the Cleveland Orchestra through the music of the less-popular Strauss brother, Josef, whose waltzes are tinged with melancholy.



But Rosenberg has scrawled his disappointment in the margins…