2019 is the the year of the 40th anniversary of Les Arts Florissants, founded by William Christie. To celebrate, the ensemble is on tour in December, with Lea Desandre and Marc Mauillon. You can see them on the 8th at the Barbican Center in London, on the 11th at the Hamburg Elbphilharmonie, on the 13th at the Festpielhaus Baden-Baden, on the 15th at the Auditorio of Madrid, and on the 21st at the Philharmonie de Paris.