A famous co-founder of the Schola Cantorum, he was also known as a teacher and composer, who saw teaching as a vocation rather than a livelihood and willingly provided the necessary funds for his school from his own pocket. He preached, for example, his belief that a musical education should train the whole musician, meaning that the student should acquire a good knowledge of the theory and history of music as well as cultivate the practical side and technique, which ran counter to what was taught at the Conservatoire. Autograph letter signed "Vincent d'Indy". Dated February 12, 1907, 1 p. 1/2 in-8. Beautiful piece. His correspondent must absolutely not count on the composer for a conference or a talk on "L'Etranger" or on one of his works: "J'ai en horreur de parler de moi, et du reste, je vous avoue que je ne saurais absolument pas quoi dire..." etc. follow details relating to a subject and a program that Vincent D' Indy had given and that Mme... abandoned warned him in time he had sent what he lacked from Destouches. In fine, about a Vallas morning in which the author of "Fervaal" engaged with him , he asks his correspondent to sort things out with Witkowski: " moi, je n'ai pas le temps, partant ce soir pour Moscou et ne revenant que le ler Mars…"