Francis Morton, Once a Week (1863)
“ A French lady of the last century had a cat remarkable for its love of music, and gifted with such power of discriminating good from bad, that it evinced unmistakeable annoyance at a discord or error in time. So assured was she of this, that Madame Dupuy relied implicitly on the cat’s intelligence to inform her whether her execution of a new sonata was open to criticism; conceiving herself sure of pleasing in public when puss purred applause, and asserting solemnly that the bravas of her friends invariably confirmed the approbation of the feline critic ”
