Brahms recommended Dvořák to his publisher, Simrock, who soon afterward commissioned what became the Slavonic Dances, Op. 46. These were highly praised by the Berlin music critic Louis Ehlert in 1878, the sheet music (of the original piano 4-hands version) had excellent sales, and Dvořák's international reputation was launched at last. Dvořák's first piece of a religious nature, his setting of Stabat Mater, was premiered in Prague in 1880. It was very successfully performed in London in 1883, leading to many other performances in the United Kingdom and United States. [2] In his career, Dvořák made nine invited visits to England, often conducting performances of his own works. His Seventh Symphony was written for London. Visiting Russia in March 1890, he conducted concerts of his own music in