Repertoire for the 2010 Orkney Conducting Course will include the following:   Ravel La Valse Haydn Symphony no. 92 Tchaikovsky Symphony no. 4 Weber 'Der Freischutz' Overture Wagner Prelude and Liebestod from 'Tristan and Isolde' Johann Strauss 'Die Fledermaus' Overture Poulenc Gloria Adams The Chairman Dances Schoenberg Pierrot Lunaire plus new pieces by St Magnus Composers' Course participants