2. Rock music is a genre of Pop music (popular music) which has its roots in 1940’s and 1950’s, being heavily influenced by Rhythm and Blues (R&B). Rock ‘n’ roll was the earliest form of rock music which originated in the USA; though some elements of rock n roll can be heard in records from 1930s, rock ‘n’ roll was not then popular and did not acquire its name until the 50s. In rock n roll music, either the piano or saxophone was often the lead instrument, but these were generally replaced or supplemented by guitar and is almost always provided by a snare drum. Rock music developed in 1960’s, particularly because the UK also produced bands, like the Beatles, which contribution to the rock industry. It has been redefined and reinvented itself which caused a number of distinct rock music sub-genres to emerge.

4. Elvis Presley was one of the first rock idols and the face of rock n roll. There were rock performers before Presley, but he was a performer that the rock fans wanted see (in concerts and shows) as well as hear. Presley introduced R&B (rhythm and blues)to the White-Americans since earliest musical influence came from gospel. According to Rolling Stone Magazine, "it was Elvis who made rock 'n' roll the international language of pop."Rolling Stone Magazine

5. Rock music has numerous sub-genres but the major ones are metal, punk and alternative rock. Since the development of rock in the 60s, every decade almost had a popular sub-genre that represents rock music in that particular era. 1950-1060s Rock ‘n’ Roll Pop Rock Garage Rock 1960-1970s Art Rock -Electronic Jazz Rock Soft Rock, Hard Rock 1970-1980s Punk rock Heavy Metal 1990s Indie Rock Rap Rock Grunge 2000s Garage Rock Contemporary Heavy Metal Digital Electronic Rock

6. Punk rock is a rock music genre which emerged in the 70s and the first concrete punk rock scene appeared in New York. It developed in the USA, the UK and also in Australia

7.  Silver Dragon Records