Classical. Includes 17 string quartets: • K.155 in D Major (Bozen/Verona - 1772) • K.156 in G (probably Milan, late 1772) • K.157 in C (probably Milan, late 1772/early 1773) • K.158 in F (probably Milan, late 1772/early 1773) • K.159 in Bb (probably Milan, early 1773) • K.160 in Eb (probably Milan/Salzburg, early 1773) • K.168 in F (Vienna, August 1773) • K.169 in A (Vienna, August 1773) • K.170 in C (Vienna, August 1773) • K.171 in Eb (Vienna, August 1773) • K.172 in Bb (evidently Vienna, September 1773) • K.173 in D minor (evidently Vienna, September 1773) • K.525 - Serenade in G "Eine kleine Nachtmusik (Vienna, August 10 1787) • K.546 - Adagio and Fugue in C minor (Vienna, June 26 1788( • K.285 - Flute Quartet in D (Mannheim, December 25 1777) • K.298 - Flute Quartet in A (Vienna, conjecturally late 1786) • K.370 - Oboe Quartet in F (Munich, early 1781)