Alter ego ¨long live*

The rock is a broad term that brings together a variety of musical genres. 1 Its original form, known as rock and roll , came mainly from the combination of two genres as were the previous rhythm and blues and country . Music rock also drew heavily from blues and folk , and incorporated influences from jazz , the classical music and other sources.

Musically, the rock has focused on the electric guitar , usually as part of a group of rock with singer , bass , drums and sometimes keyboard instruments such as the organ and piano . Typically, the rock is a music centric songs , usually with compass 4/4 and using a verse-chorus structure, but the genre has become extremely diverse and common musical characteristics are difficult to define. As pop music , the lyrics often focus on romantic love, but also treat a wide range of other issues with a common focus on the social and the political. The dominance of rock by male musicians has been seen as one of the main factors that define the themes explored in music rock . The rock puts more emphasis on the composition , live performance, and authenticity than pop music.