 Because of this, the government kept a file on her, as they did for all citizens they considered enemies of the regime.She was generally assertive with her beliefs; she also tore down German propaganda posters despite the fears of her friends and students.Renié was critical in promoting the double-action harp of Sebastian Erard, and inspired the creation of the chromatic harp through an offhand complaint about pedals to Gustave Lyon, who worked for a manufacturer of musical instruments, including harps.