Silvestrov’s violin sonata “Post scriptum” is another of his chamber music postludes. The composer once stated that the title of the work signifies that it is “a postscript to Mozart and the whole classical tradition. The text has already been written. We simply add our annotations, thoughts, questions, consternation, astonishment and regret. The classical phonemes begin to waft through other times and spaces. There is no longer such a thing as the ability to predict what something means, and it...