Sentence:  On the basis of what they give us we can know how the young Caruso sang , appreciate the distinctive <WSD>qualities</WSD> of Parsifal under Karl Muck 's baton , or sense the type of ensemble Toscanini created in his years with the New York Philharmonic . 
Meaning of the word marked with <WSD> tags:  (music) the distinctive property of a complex sound (a voice or noise or musical sound)