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
Friedrich Wieck reviewed in the "Allgemeine musikalische Zeitung". Spurred on by a favorable comment from von Weber, he left his position as a tutor and established himself in Leipzig as a piano teacher and in the business of renting and selling pianos and other musical instruments and keeping a music lending library, which Richard Wagner was known to use. Marriage was considered by Wieck as a means to improve his status, which he did by marrying Marianne Tromlitz. Tromlitz was a famous singer in Leipzig at the time. She taught the more advanced piano students of Wieck. As an accomplished singer, Marianne