Media in New York City have their editorial offices based in the city. New York is home to the corporate headquarters of such publishing giants as: Among other national leaders based in New York city are "Newsweek", owned by The Newsweek Daily Beast Company", and Rolling Stone", published by Wenner Media. In the 1930s, New York-based RCA was the nation's largest manufacturer of phonographs. In the late 19th and early 20th century, most sheet music in the United States — especially the popular songs of the day, many now standards — was printed at Tin Pan Alley, so called because the constant sound of new
Transparency of media ownership in Europe outputs and contents while transparency empowers readers to detect and appraise owners influences on the media and its contents. The European Commission's study on Indicators for Media Pluralism (2009) recognises transparency of media ownership and/or control as a key indicators of media pluralism. Also, media ownership transparency is essential for preventing concentration of media power which can unduly influence public opinion and the political debate. Precisely, transparency of media ownership is a precondition for assessing levels of concentration or other dimensions of diversity in a given media system. Indeed, if readers don't know who the real owners of media companies