sentences:  He arrived in the United States at the age of 5, and graduated from the New England Conservatory of Music in 1922.He continued his studies with Lucien Capet in Paris, Otakar Ševčík in Písek, Czechoslovakia, and Carl Flesch in Berlin.His concert career began in Europe, where he championed the concertos of Joseph Achron and Alfredo Casella.