Friedrich Wieck practice, however, he might not always have lived up to the ideals he described in the book "Piano and Song: How to Teach, How To Learn, and How to Form a Judgment of Musical Performances." When Robert Schumann was living and studying in the Wieck household, he reported seeing Wieck punishing his nine-year-old son, Alwyn, for playing the violin poorly, tearing at his hair and yelling, "You wretch, you scoundrel, is this the way you try to please your father?" Clara seemed unconcerned at the violent scene. Shocked, Schumann wrote in his diary, "Am I among human beings?" Besides the
Clara Schumann city due to an outbreak of cholera. An anonymous music critic, writing of Clara Wieck's 1837–1838 Vienna recitals, said: "The appearance of this artist can be regarded as epoch-making... In her creative hands, the most ordinary passage, the most routine motive acquires a significant meaning, a colour, which only those with the most consummate artistry can give." From December 1837 to April 1838, Clara Wieck performed a series of recitals in Vienna when she was 18. Franz Grillparzer, Austria's leading dramatic poet, wrote a poem entitled "Clara Wieck and Beethoven" after hearing Wieck perform the "Appassionata" sonata during one of