During her 1980 stay in New York, when Anne Teresa De Keersmaeker was rehearsing her celebrated Violin Phase to the music of Steve Reich, the only other recording playing in the studio was Bach’s Brandenburg Concertos. Thirty-five years later, the choreographer brings to them the largest forces she has ever worked with: sixteen dancers from different Rosas generations, along with the complete B’Rock baroque ensemble under Amandine Beyer.