“Pop music” as a term exists since the mid 1920s. It used to mean plainly: popular music. Popular music encompassed anything from classical to jazz, blues, and rock ’n’ roll, but, as times changed, the meaning of the word evolved as well. In the 1950s, with the novelty from Elvis Presley and in the 1960s the novelty of The Beatles, popular music started being coined as a term to describe the music of preference of a larger targeted audience, namely that of adolescents. It is the kind of music characterized by being tuneful, up-tempo and repetitive (Encarta 2009). Many groups and singers have experienced success in this area since Elvis Presley and The Beatles, thanks to the growing acceptance of pop music and its inevitable development of varieties, which now also include, among others, techno, rap, reggae and hip hop. Some of these groups and singers are Michael Jackson, The Bee Gees, Elton John, Beyoncé, and The Who. If you are looking for actual pop music, the Proud Music Library offers around 1500 titles available for licensing.