The Soldier's Story is not a work that can be easily analyzed. Next door, The rite of spring is almost a breeze! More than ever, Stravinsky is emerging as an innovator - the era is encouraging him. Like his friend Picasso, this is for Stravinsky to boldly invent a new language, by pure pleasure to create, by challenge, by game ... In this notebook analysis of music, Anthony Girard tries to to understand the nature of Stravinsky's language by proposing a thorough study of formal organization, instrumental writing and, above all, the work of rhythm, unprecedented ingenuity.