Rock, Pop, Country & Electronic
RockIts main characteristic of the Rock include the use of amplified instruments like the guitar.
Its earliest form, Rock & roll, it had multiple genres in the late 1940s and, it was first popularized by performers like Elvis Presley, Bill Haley, Chuck Berry and Buddy Holly, who fused the sound with country music, resulting in rockabilly. Nowadays the Rock is a genrer very popular.
During 1960s, a group of British bands inspired on R&B and American blues became popular on both sides of the Atlantic.
Some groups of the British Invasion:
PopIt's an very important genre of popular music distinguished from art music or classical & also from folk music.
CountryIt's a blend of popular musical forms originally found in the Southern USA. It has roots in traditional blues, hokum, folk music, gospel music, Celtic music, and old-time music.
Also, some country music is related to honky tonk music, beginning in the 1930s in USA, and strongly influenced by the blues, as well as jug bands.
ElectronicIt had origin before of the invention of the synthesizer. However, all electronic music owes its historical existence to early pioneers of tape experiments called as Musique Concrete, such as Karlheinz Stockhausen, Pierre Schaeffer and John Cage, as well as early synthesists like Wendy Morton Subotnick, Jean Michel Jarre.