In Baden-Baden he inaugurated the Deutsche Kammermusikfestival (German Chamber Music Festival) in July 1927, in which Paul Hindemith, Carl Friedberg, and Igor Stravinsky participated.
The Kammermusikfestival was discontinued after the scandal caused by the premiere of Hindemith and Brecht's Lehrstück in 1929.
In January 1930 he went on a tour through the United States where he conducted performances of Richard Wagner's Tristan und Isolde and Der fliegende Holländer at the Philadelphia Metropolitan Opera House.
He emigrated to Brazil where he became the first Musical Director of the São Paulo City Symphony Orchestra.
Later he conducted the Orchestra of the Professional Musicians' Union of São Paulo.