Symphony Center is a music complex in Chicago, Illinois. It is home of the Chicago Symphony Orchestra and the Chicago Sinfonietta. The Symphony Center includes Orchestra Hall, which dates from 1904; Buntrock Hall, a rehearsal and performance space; a public multi-story rotunda; Rhapsody restaurant; and administrative offices. Between 1995 and 1997 a lot of work to improve the buildings took place. The Orchestra Hall was called a National Historic Landmark in 1994. It was designed by Daniel Burnham.