The Old Opera House in Frankfurt is one of the landmark buildings. In 1987 the Opera caught fire and it took 3 years and 200 Million EUR to rebuild it from the ashes of what became the largest such disaster since World War II. The fire was set by a homeless who broke into the building through a side window. Frustrated that he did not find food, he gathered some newspapers and burned down the building. Now, what looks old from outside, is just the plain opposite when you enter. It's more modern than the New Opera of town, with excellent seating and acoustics.
Last Monday, I was in the 4.th Museum Concert directed by Tung-Chieh Chuang with the Frankfurter Opern- und Museumsorchester (Frankfurt Opera and Museum Orchestra) and Kian Soltani cello. It was Georges Bizet Symphony in C Major, Camille Saint-Saëns Cello concerto Nr. 1 in a minor op. 33 and after the break Igor Strawinsky Petruschka (in the 1947 edition). It was nice and I really enjoyed the evening. Such concerts are more "meditative" than opera and a good start into the week.