In April, 1986, another American cultural envoy, pianist Vladimir Horowitz, stayed at Spaso House, along with his own Steinway piano, shipped by diplomatic pouch from New York, preparing for his historic April 20 concert at the Great Hall of the Moscow Conservatory, marking his return to his homeland after an absence of 60 years. Other notable American musicians who performed at Spaso were Leonard Bernstein, Mstislav Rostropovich, Ray Charles, and Chick Corea. On May 31, 1988, the jazz pianist Dave Brubeck performed in the Spaso House ballroom for President Ronald Reagan and the new Soviet leader, Mikhail Gorbachev.