Tolong jelaskan mengenai Catatan dari Winnaretta Singer

Kahan, Sylvia. Winnaretta Singer-Polignac : Princesse, mécène et musicienne. Dijon: les presses du réel, 2018. .

Kahan, Sylvia. Music's Modern Muse: A Life of Winnaretta Singer, Princesse de Polignac. Rochester: University of Rochester Press, 2003, 2006, 2009. .

Kahan, Sylvia. "'Rien de la tonalité usuelle: Edmond de Polignac and the Octatonic Scale in Nineteenth-Century France". 19th-Century Music 29 (2005): 97–120.

Kahan, Sylvia, and Nathalie Mauriac-Dyer, "Quatre Lettres inédites de Proust au Prince de Polignac", Bulletin Marcel Proust 53 (December 2003): 9–21.

Michael de Cossart, Food of Love: Princesse Edmond de Polignac (1865–1943) and her Salon, Hamish Hamilton, 1978.

James Ross, "Music in the French Salon"; in Caroline Potter and Richard Langham Smith (eds.), French Music Since Berlioz (Ashgate Press, 2006), pp. 91–115. .