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
Unwired: Acoustic Music from Around the World (Cameroon, Zimbabwe, Sudan, Ethiopia, Senegal, Mali, and Cape Verde). Writing for AllMusic, Alex Henderson called the album "unpredictable" as it does not only feature traditional music but global "contemporary, even cutting-edge pop". The record, according to Henderson, was "excellent" and "well worth obtaining". Unwired: Acoustic Music from Around the World Unwired: Acoustic Music from Around the World is a world music benefit compilation album originally released in 1999, with proceeds going to Amnesty International. Part of the World Music Network Rough Guides series, the release features global acoustic music, from traditional to pop. The compilation was produced by Phil Stanton,