The Tchaikovsky Piano Concerto No. 1 was the first recording of Van Cliburn in 1958 for RCA Victor. It won Cliburn a Grammy Award and was the first classical recording to go platinum, that is to sell more than a million copies. The RCA Victor Symphony Orchestra was conducted by Kirill Kondrashin who at Cliburn's request had been given permission to leave the Soviet Union. No. 1 on the Billboard 200 for 5 weeks, from the issue of August 11, 1958. Wiki link