Lili Boulanger (Marie-Juliette Olga Lili Boulanger, 21 August 1893–15 March 1918) was a French composer, the younger sister of the noted composer and composition teacher Nadia Boulanger. A child prodigy, Boulanger's talent was apparent even at the age of two, spotted by her parents, both of whom were musicians themselves and encouraged their daughter's musical education. (Her mother, Raissa Myshetskaya (Mischetzky), was a Russian princess, who married her Paris Conservatoire teacher