John McEnroe's biography as provided does not detail any contributions or involvements in the electronic/dance music scene. As a former professional tennis player, his career and achievements are centered around sports, with no information provided regarding any music career. Therefore, a rewrite focusing solely on his music career, in line with the guidelines provided, is not feasible based on the original biography offered. If John McEnroe had pursued a career in electronic or dance music following his retirement from tennis, details such as musical style, notable releases, labels, collaborations, and contributions to the music scene would be necessary for an appropriate rewrite. Without such information, we are unable to proceed as requested.
