txtDefinition=In Mozart\'92s C-{\uldb major}{\v 86320} {\uldb Quartet}{\v 154839}, {\uldb K.}{\v 137211} 465, the slow opening to the main {\uldb Allegro}{\v 147820} of the first {\uldb movement}{\v 151907}. Such extended curtains were characteristic of {\uldb Haydn\'92s}{\v 132423} symphonies but were almost unheard of in {\uldb chamber music}{\v 76679}. The highly {\uldb chromatic}{\v 77395} (and moderately {\uldb dissonant}{\v 80063}) character of this introduction (heard briefly in the example) earned K. 465 its nineteenth-century nickname, the \'93Dissonant.\'94
