Articolo 31

Bertelsmann Music Group, , was a division of Bertelsmann before its completion of sale of the majority of its assets to Japan's Sony Corporation of America on October 1, 2008. It was established in 1987 to combine the music label activities of Bertelsmann. It consisted of the BMG Music Publishing... company, the world's third largest music publisher and the world's largest independent music publisher, and the 50% share of the joint venture with Sony Music Entertainment, Sony BMG Music Entertainment . The joint venture with Sony Music was set up in August 2004. It reduced the Big Five record companies to the Big Four record companies. At that time, the company had a 21.5% share in the global music market. Sony Music and BMG remained separate in Japan, although BMG Music Japan was wholly owned by Sony BMG. On March 27, 2006, the New York Times reported that Bertelsmann was looking to raise money by leveraging some of its media assets, and that executives from both companies were in talks about possibly altering the current venture. Bertelsmann sold its 50% share of Sony BMG to Sony Corporation of America for a total of $1.
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Rock music is a genre of popular music that developed during and after the 1960s, particularly in the United Kingdom and the United States. It has... its roots in 1940s and 1950s rock and roll, itself heavily influenced by rhythm and blues and country music. Rock music also drew strongly on a number of other genres such as blues and folk, and incorporated influences from jazz, classical and other musical sources. Musically, rock has centered around the electric guitar, usually as part of a rock group with bass guitar and drums. Typically, rock is song-based music usually with a 4/4 time signature utilizing a verse-chorus form, but the genre has become extremely diverse and common musical characteristics are difficult to define. Like pop music, lyrics often stress romantic love but also address a wide variety of other themes that are frequently social or political in emphasis. The dominance of rock by white, male musicians has been seen as one of the key factors shaping the themes explored in rock music. Rock places a higher degree of emphasis on musicianship, live performance, and an ideology of authenticity than pop music.
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