sentences:  Dvořák's Requiem was premiered later that year in Birmingham at the Triennial Music Festival.In 1891 the Bohemian String Quartet, later called the Czech Quartet, was founded, with Karel Hoffmann, first violin, Josef Suk, second violin, Oskar Nedbal, viola, and Otakar Berger, cello.It is said that Nedbal and Suk had been two of Dvořák's "most promising" students at the Conservatory and took the initiative in founding the Quartet.