The document discusses the genres of pop and R&B music in relation to devising a promotional music video for a girl band. It provides background on pop music in the 1980s featuring artists like Madonna and Michael Jackson. For R&B, it describes the genre's origins in jazz, gospel and blues and its evolution into contemporary R&B in the 1980s, with artists such as Michael Jackson, R. Kelly and Janet Jackson bringing it into the mainstream in the 1990s.