Watch VoirFilms. The father sets the tone, the son takes the solo. In Lausanne, two stars come together on stage who just happen to be from the same family. Jean-Jacques Kantorow, who conducts the Orchestre de Chambre de Lausanne, opens the evening with Camille Saint-Saëns's Symphony n° 2. Alexandre Kantorow then joins him to perform Johannes Brahms's Piano Concerto No. 2.