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 in Ukraine the death of V. Ivasiuk in 1978, developments in Ukrainian pop music almost ground to a halt. Even established folk -rock groups such as Kobza began to sing in Russian. The songs of Ivasiuk were rarely heard on the radio and many of the established singers such as Sofia Rotaru began to sing in Russian exclusively. Many Ukrainian musicians moved to Moscow, and various Moscow based Pop groups had a pop songs in the Ukrainian language such as the group Samotvety - Verba. The 1990s saw an explosion in the Ukrainian Pop music world. This was brought on by the