Violin Concerto No. 7 (Mozart) to the insertion of new works bearing the numbers K. 271b to K. 271H in the catalogue. He believed that the work was based on a rough sketch of a violin concerto by Mozart from 1777, but states that the original form of the work cannot easily be reconstructed. The uncharacteristic number of passages for the solo violin in the high register, in "pizzicato" (in the second movement), and in double stops in tenths were considered by Einstein to be 19th-century additions. Friedrich Blume, on the other hand, was firmly in favour of the work's authenticity, stating that "not one
Catalogues of classical compositions For example, Liszt's works are now known only by S numbers, from the catalogue by Humphrey Searle, which superseded that created by Peter Raabe, which used R numbers. Older catalogues are included for historiographic purposes. But there are exceptions to this, such as: The following incomplete list gives details of many of the catalogues and symbols that have been used, and in many cases are still in use. It is in author or composer order, but can be sorted in symbol order. Catalogues of classical compositions This article gives some details of the various catalogues of classical compositions that have