[2] The listed portico was taken over from its predecessor, originally built in 1915 by Robert Curjel and Karl Moser as an exhibition hall.

The neoclassical Konzerthaus (Concert house) was built between 1913 and 1915 according to plans by the architects Robert Curjel and Karl Moser.

[5] Since 1996, a concert scene by Stephan Balkenhol with six musicians made of glazed ceramics has replaced the relief Birth of Venus originally mounted in the pediment.

[6] After the destruction of the theatre at Schlossplatz in 1944 and until the opening of the new building at Ettlinger Tor in 1975, the Konzerthaus served as a temporary venue for the Badisches Staatstheater Karlsruhe;[7] The listed Schwarzwaldhalle (Black Forest hall) was designed by Erich Schelling and Ulrich Finsterwalder [de] and opened on 19 August 1953 after only six months of construction.

[8] Remarkable is the hall's cantilevered suspended roof consisting of a six-centimetre-thick concrete "shell" (tensile structure), which was the first to be built in such a size and attracted worldwide attention among experts.