Sonostream.tv, a company of sonoartists, is very proud to present our 3rd Livestream from the Musikverein: Edita Gruberova in La Straniera at the Website Design in Ventura Vienna Musikverein in celebration of her 45th Stage Anniversary!!! Monday, 18th Feb 19:30 CEST!!! The program is NOW available on demand for free through Friday, March 1 at 12pm CEST!