Was sollen aber die buntschäckigten Balletten in den Opern? Balletten, die auf die Oper nicht die geringste Beziehungen haben. Verderben sie nicht al… - Joseph Martin Kraus

Translation: Yesterday there was a Concert Spirituel. The symphony by Haydn was lovely and the execution very good. Mademoiselle Wendling and a Welsh tenor Giuliano were hissed. Danner and another Welsh violinist Giuliani were overall applauded. A sinfonia concertante by the brothers Thonberg [Romberg] got applause. The concert on the bassoon by Devienne so so.

Translation: But what have those colourful ballets to do with the opera's? Ballets, that do not concern the opera at the least. Do they not spoil all possible action, that they in their course violently interrupt?

Translation: Should the music in the churches not at the most be for the heart? Are fugues made for that?