was notable for its versatility; lifting devices under the floor allowed for a stage of variable height and size. The surface area of the stage could thus range anywhere from 170 to 1000 m², and the hall could seat between 1000 and 4500 attendants. Many editions of the GDR television entertainment program Ein Kessel Buntes were recorded in the Great Hall. Concerts of famous orchestras such as the Gewandhausorchester Leipzig under Kurt Masur, modern interpretations of classical music such as the Messiah of George Frideric Handel, and performances by Bulat Okudzhava (29 November 1976), Harry Belafonte (25 October 1983), Karel Gott (1983), 1986 with Dara Rolins and Heidi Janků, 1987) or of the rock-band Purple Schulz (21 January 1989). German electronic music group Tangerine Dream performed a concert recorded live at the Palast on 31 January 1980 which also was Johannes Schmoelling's first live performance with the band. Erich Honecker, Willi Stoph and other members of the Central Committee were in attendance. The concert was unique in that Tangerine Dream was the first Western group who was allowed by the GDR government to play in East Berlin at the time and was dubbed "the performance behind the Iron Curtain". An album of this recorded concert was released titled Quichotte on East German record label Amiga, and later released to the rest of the world on Virgin Records six years later and renamed Pergamon. In October 1983, the West German rock star Udo Lindenberg was permitted to perform in concert at the Palast. At the concert, Lindenberg did not sing one of his best-known songs, "Sonderzug nach Pankow" ("Special Train to Pankow"), which satirized East German leader Erich Honecker, as he was ordered not to play it under threat of arrest and imprisonment by the Stasi. Additionally, in April 1987, American Latin rock band Santana did two concerts here. The Socialist Unity Party (SED), the ruling party of the GDR, held party congresses at the Palast and a state gala was held on the eve of the 40th (and final) anniversary of the GDR in October 1989, at which Soviet leader Mikhail Gorbachev was present. During the night of 22–23 August 1990, the Volkskammer decided in the Palast on the accession of the GDR to the Federal Republic of Germany with effect from 3 October 1990, known as German reunification. The Palast had many nicknames in the Springer press in West