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 still does) with that of 'rock and roll'". From about 1967, the term “pop music” was increasingly used in opposition to the term rock music, a division that gave generic significance to both terms. While rock aspired to authenticity and an expansion of the possibilities of popular music, pop was more commercial, ephemeral, and accessible. According to British musicologist Simon Frith, pop music is produced "as a matter of enterprise not art", and is "designed to appeal to everyone" but "doesn't come from any particular place or mark off any particular taste". Frith adds that it is "not driven by