On 29 June, the Swiss authorities presented a memorable concert in honour of CERN's 25th Anniversary. The concert took place in Geneva's Victoria Hall and was presented by the Conseil Fédéral Suisse, the Conseil d'Etat de la République et Canton de Genève and the Conseil Administratif de la Ville de Genève. Horst Stein conducted the Orchestre de la Suisse Romande in a magnificent programme which included a Prologue for Orchestra 'Lux et Pax' specially composed in honour of CERN by Geneva composer Mathieu Vibert.