Stockhausen, Ligeti, Boulez

The pianist Peter O'Hagan plays Karlheinz Stockhausen's Klavierstück IX; Klavierstück X; György Ligeti's Etude No 7 ('Galamb Borong'); Etude No 8 ('Fém'); Etude No 10 ('Der Zauberlehrling'); Etude No 11 ('En suspens'); Pierre Boulez's 'une page d'éphéméride' for piano; 'Incises' for piano; and Béla Bartók's Suite for piano 'Out of doors'.