All participants performed a classical piece of their choice accompanied by the Austrian Radio Symphony Orchestra, conducted by Pinchas Steinberg.
[1] The non-qualified countries were Cyprus, Denmark, Finland, Greece, Ireland, Italy, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom, and Yugoslavia.
[3] None of these halls was built in the modern era with the application of acoustics science and all share a long, tall, and narrow shoebox shape.
[1] Broadcasters from eighteen countries took part in the preliminary round of the 1990 contest, of which five qualified to the televised grand final.
It was reportedly broadcast in 23 channels of the participating countries, and in Bulgaria, Romania and the Soviet Union via Intervision.