Think about the softnessthis title borrowed from Baudelaire is that of the novel by Clémentine Beauvais in which she is inspired byEugene Onegin of Pushkin. A story of teenage love written in free verse and in which Justine Heynemann immediately saw a dream material for a musical. And here we are embarked on a rare show, joyful and sensitive at the same time, at the Théâtre Paris-Villette until December 30.