Köchel catalogue son's earlier works; Mozart's catalogue of his own compositions (begun in February 1784 with K. 449) allows relatively precise dating of many of his later works. The catalogue included the opening bars of each piece, known as an incipit. Köchel divided the corpus into a main chronology of 626 works, and five appendices ("" in German, abbreviated to "Anh.") The appendices (Anh. I-V) included: Since Köchel published his original catalogue in 1863 (now referred to as K), the dating of Mozart's compositions has been subject to constant revision. Many more pieces have since been found, re-dated, re-attributed and re-numbered, requiring
The Smith of Kochel known as "Balthasar" with a last name of either "Mayer" or "Riesenberger". A "Balthasar Mayer" (born January 6, 1644 in Waalkirchen) actually existed, but no evidence of this person being a smith in Kochel could be found. A "Balthasar Riesenberger" (born in Bach bei Holzolling) took part in the battle in Sendling, but no evidence of his being a smith in Kochel could be found either. The fact that Kochel belonged to the court district of Murnau at the time of the revolt, which did not take part in the Oberländer rebellion, also speaks against the Kochel theory. In memory