Gustave Charpentier's Louise and Mahler's 6th Symphony: Sonus (2013) Vol. 33, No. 2, pp. 31-43
This article highlights a series of highly important direct influences from Charpentier's opera Louise, seldom heard today, on the 6th Symphony of Mahler, which was composed starting in the months after Mahler's production of Louise in Vienna in 1903.