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
Concentration of media ownership in Turkey joint stock company which was founded by the state of Turkey. Its shares are owned by the Undersecretariat of Treasury. The issue of concentration of media ownership is regulated in Turkey both by sector-specific regulations and by competition law. The international standards the Turkish system should refer to in the field of media pluralism and diversity, are those developed by the Council of Europe, which defines pluralism and diversity in terms of structural (ownership) diversity in the media market and in terms of pluralism of ideas and cultural diversity. Media concentration is regulated under Law No. 6112 on Establishment of