From left to right Lex van Delden, the harpist Phia Berghout and the flutist Hubert Bahrwahser after the performance of van Delden’s flute harp duo during the ISCM festival in Salzburg, 25 June 1952
From left to right Lex van Delden, the harpist Phia Berghout and the flutist Hubert Bahrwahser after the performance of van Delden’s flute harp duo during the ISCM festival in Salzburg, 25 June 1952