Mozart's Twelfth Mass, K. Anh. 232 Mozart's Twelfth Mass, K. Anh. 232 Mozart's Twelfth Mass, once a top seller among the liturgical compositions published by Vincent Novello in the 19th century, is a work no longer attributed to Wolfgang Amadeus Mozart. Köchel rejected the attribution to Mozart in the Anhang (appendix) of the first edition of his catalogue of Mozart's works, there listed as K. Anh. 232, and in later editions as K. Anh. C1.04. The mass was published in 1819 as No. 12 in Novello's series of masses by Mozart, which is the origin of its name. Simrock was the first to publish the mass
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