created by Ludwig Ritter von Köchel, in which the entries are abbreviated K. or KV. Its numbers reflect the ongoing task of compiling the chronology of Mozart's...

after this concert until 1788, when he produced a piano concerto fragment (K 537b) and the Canzonetta K 549. Mozart's Clarinet Trio K 498 was written for the...

problems, it remains popular. Two fragments of piano concertos, K. 537a and K. 537b, in D major and D minor respectively, were also probably begun in this month...