 He was still giving critically acclaimed concerts in London in the 1890s.The composer of "Faust", Charles Gounod, wrote Valentine's aria "Even bravest heart" for him at his request for the London production in 1864 so that the leading baritone would have an aria.A couple of primitive cylinder recordings dating from about 1900 have been attributed by collectors to the dominant French baritone of the 1860s and 1870s, Jean-Baptiste Faure (1830–1914), the creator of Posa in Verdi's original French-language version of "Don Carlos".