While the clarinet in C began to fall out of general use around 1850, some composers endured to jot down C parts after this date, e. g. , Bizet's Symphony in C 1855, Tchaikovsky's Symphony No. 2 1872, Smetana's overture to The Bartered Bride 1866 and Má Vlast 1874, Dvořák's Slavonic Dance Op. 46, No. 1 1878, Brahms' Symphony No. 4 1885, Mahler's Symphony No. 6 1906, and Richard Strauss intentionally reintroduced it to take expertise of its brighter tone, as in Der Rosenkavalier 1911. While technical advancements and an equal tempered scale reduced the need for two clarinets, the technical problem of gambling in remote keys continued, and the A has thus remained a common orchestral device. In addition, by the late 19th century, the orchestral clarinet repertoire contained loads music for clarinet in A that the disuse of this tool was not practical. g.