It has been observed that even her more joyous pieces are often tinged with traces of melancholy, and even the most sorrowful pieces have elements of vitality struggling against all that would oppress them.
Det er bemærket, at selv hendes mere glade sange ofte rummer indslag af melankoli, lige som de mest sorgfulde stykker har elementer af vitalitet, der kæmper mod alt det, som vil undertykke dem.