[...] I have got myself into a terrible whirlpool of work and drudgery here. All our opera-house affairs are hung about my neck. Yesterday at last we got going for the first time with Zampa [by Hérold], and the results may really be called considerable. So in this respect I am getting some peace at last. [...]
Source: Letters of Richard Wagner, Vol. 1, selected and ed. Wilhelm Altmann, trans. M. M. Bozman (J. M. Dent & Sons, 1927), No. 24