Michael Jackson unveils the moonwalk dance move on the Motown 25th Anniversary TV Special. MTV music video plays drive sales of singles and heavily influences radio play. Diana Ross performs in New York City's Central Park in driving rain which eventually stops the concert. The band KISS begin performing without their make-up. The Rolling Stones set a new record high for recording contracts when they sign with CBS Records for $28 million. In December Michael Jackson releases his elaborate Thriller video. Thrash Metal emerges in the US.