Fanny Mendelssohn: 'Too much of all that a woman ought to be'?

 The gifted composer and pianist Fanny Mendelssohn, sister of Felix, died on this day in 1847, of a stroke – the same affliction that had killed both her parents, and was to carry off her brother less than six months later. 
Fanny Mendelssohn is one of many women composers who have benefited in recent years from increasing interest, new research and a range of initiatives, by Radio 3 among others, to belatedly give them their due. Fanny collaborated creatively with her brother, who generally supported her efforts, but only up to a point: 'From my knowledge of Fanny,' he wrote witheringly, 'I should say she has neither inclination nor vocation for authorship [i.e. publishing under her own name]. She is too much all that a woman ought to be for this. She regulates her house, and neither thinks of the public nor of the musical world, nor even of music at all, until her first duties are fulfilled. Publishing would only disturb her in these,  and I cannot say that I approve of it.' No wonder Fanny had little confidence in her composing abilities, and was content to let Felix pass off works written by her as his own. 
Most of her compositions were songs, but among her more substantial works was a String Quartet in E flat. Here is the beautiful, sad third movement...