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 information on concentration of media ownership rely on news analyses, secondary sources and the analysis of the concentration of media audience. As to the radio in Turkey, there are 36 national, 102 regional, 952 local radio stations totalling 1090. The public broadcast Turkish Radio and Television (TRT) held the radio monopoly until 1992. Currently, it holds two radio stations in the top 10 list of radios dominating the sector. Instead, among media groups, Doğan Group (Radyo D, Slow Türk, CNN Türk) and Doğuş Group (Kral FM, NTV Radio, Kral Pop Radio, Kral World Radio) are the two media companies dominating