Galaconcert Galaconcert The gala concert will be performed by the Koninklijke Militaire Kapel Johan Willem Friso, conducted by Tijmen Botma. Soloist: Olivier Patey (solo clarinet player of the Royal Concertgebouw Orchestra). Preliminary program: 1st clarinet concerto (Oscar Navarro) with Olivier Patey. Premiere of a new work by Ed de Boer. A new arrangement of KMK’s arranger Dominique Vanhaegenberg. Music from the movie “The President’s own” (John Williams).