Opera rarely performed in translation. Exceptions include the English National Opera, the Opera Theater of St. Louis, Opera Theater of Pittsburgh, and Opera South East, which favor English translations. Another exception are opera productions intended for a young audience, such as Humperdinck's "Hansel and Gretel" and some productions of Mozart's "The Magic Flute". Outside the US, and especially in Europe, most opera houses receive public subsidies from taxpayers. In Milan, Italy, 60% of La Scala's annual budget of €115 million is from ticket sales and private donations, with the remaining 40% coming from public funds. In 2005, La Scala received 25%
Cologne Opera former mayor of Cologne. The first opera to be performed there was Carl Maria von Weber's "Oberon". In June of that year the house saw its first world premiere, Wolfgang Fortner's "Die Bluthochzeit". The following month the opera company of La Scala appeared there on tour with Maria Callas in "La sonnambula". The Cologne Opera House occasionally hosts solo recitals and special events; one remarkable such event was concert by jazz pianist Keith Jarrett in 1975 which was recorded and became one of the most popular solo jazz piano recordings of all time, known as The Köln Concert. The house