Pop music sampling (from the 1980s) have also been utilized as methods for the creation and elaboration of pop music. By the early 1980s, the promotion of pop music had been greatly affected by the rise of music television channels like MTV, which "favoured those artists such as Michael Jackson and Madonna who had a strong visual appeal". The latter half of the 20th-century included a large-scale trend in American culture in which the boundaries between art and pop music were increasingly blurred. Between 1950 and 1970, there was a debate of pop versus art. Since then, certain music publications have embraced
Pop music Some non-Western countries, such as Japan, have developed a thriving pop music industry, most of which is devoted to Western-style pop. Japan has for several years produced a greater quantity of music than everywhere except the US. The spread of Western-style pop music has been interpreted variously as representing processes of Americanization, homogenization, modernization, creative appropriation, cultural imperialism, or a more general process of globalization. In Korea, pop music's influence has led to the birth of boy bands and girl groups which have gained overseas renown through both their music and aesthetics. Korean co-ed groups (mixed gender groups) have not