The performance Celtic took place for the first time in 1970 in Edinburgh under the title Celtic (Kinloch Rannoch) Scottish Symphony. On the 6 April 1971 in the Zivilschutzräume in Basel, Beuys performed a variation under the title Celtic + ~~~. At the beginning of the performance more than a thousand people were crammed into the rooms. Beuys began by washing the feet of 7 spectators and ended some 5 hours later with his own submersion in a mock baptism; less than two hundred staunch enthusiasts remained.