This article is from the magazine Les Dossiers de Sciences et Avenir n°223 dated October/December 2025.
Three organ notes, and you recognize the piece. Yet, its title escapes you, its composer too, you haven't heard it recently and there is no record of this kind at home. You will learn later that it was the Toccata in D minor by Bach. This feeling that a piece of music is familiar to you, half a second is enough to experience it.

