String quartet No. 18 in A major, K 464 : (Haydn quartet No. 5) = la majeur = A-Dur ; String quartet No. 19 in C major, K 465 "Dissonance" : (Haydn quartet No. 6) = ut majeur : "Les dissonances" = C-Dur : "Dissonanzen-Quartet" - Mozart, Wolfgang Amadeus (2005)