Symphony, K. 75 (Mozart) works from this time period, such as the K. 97 symphony, the autograph, which was in the possession of Breitkopf & Härtel, was destroyed during World War II. Mozart's authorship therefore remains uncertain. Most professionals consider the work authentic. The Alte Mozart-Ausgabe (published 1879–82) gives the numbering sequence 1–41 for the 41 numbered symphonies. The unnumbered symphonies (some, including K. 75, published in supplements to the Alte-Mozart Ausgabe until 1910) are sometimes given numbers in the range 42 to 56, even though they were written earlier than Mozart's Symphony No. 41 (written in 1788). The symphony K. 75 is given
Music history of the United States in the late 19th century - who often performed duets with Gottschalk while on tour - was a composer in his own right. Theodore Thomas (conductor) was considered to be a leading conductor during the 1880s and 1890s. Thomas too championed works by leading European composers. He also conducted works by leading U.S. composers. Today, the vast majority of 19th century U.S. composers are all but lost to history. This was also the era when women composers and African American composers started to see their music published in increased numbers. In the later decades of the 19th century, the music industry became dominated by a