1. Pop Music
Pop music is a genre of popular music that originated in the late 1950s as a derivation of traditional pop
Pop» as «a certain type of light and popular music derived from black musical styles and British folk music», 
Beginning in the 1950s, the term "pop music" has been used to describe a different genre, aimed at a young market, often characterized as a soft alternative to rock and roll.

2. Songs, singers and composers
DUA LIPA
( British )
LADY GAGA
( American )
RIHANNA
( Barbadian )

3. INFLUENCE IN THE SOCIETY AND MUSIC
In the 1940s an improved microphone design made possible a more intimate singing style, 15 and ten or twenty years later the cheap and more durable discs
Another technological change was the wide availability of television in the 1950s; with the televised performances, "the pop stars had to have a visual presence".
The pop of the beginnings was inspired by the sentimental ballad to take its form, took from the soul and soul

4. MUSICAL CHARACTERISTICS
The main element of pop music is the song, often between three and five minutes long, generally marked by a constant and remarkable rhythmic element
The rhythm and melodies tend to be simple, with a limited harmonic accompaniment
The lyrics of modern pop songs typically focus on sentimental themes or everyday life, particularly love relationships, personal experiences and social issues, among others