1. pop culture  The term "popular culture" was coined in the 19th century,in original usage refferring to the education and "culturedness"of the lower chasses. The current meaning of the term,culture for mass consumption,especially originating in the united states,is established by the end of world war11. Amercian popular culture has expressed itself through nearly every medium,including movies,music and many others.

2. American film development  In 1893,Thomas Edison invented electic film mirror and create a "black maria"studio is regarded as the beginning of American cinema.In 1896,d too projector launch started the American film screening of the masses.

3.  In early 1910,director D.W Grifflth started filming on a vacant lot near Georgia street in the downtown los Angeles,then to Hollywood,In Old Colifornia.  By 1912,most major film companies had set up production facilities in southern colifarnia near or in Los Angrcs because of the location's proximity to Mesico,as well as the region 's favorable year-round weather.

4.  beteeen 1916 and 1926 the American film industry came into the hands of a few powerful companies,which controlled production,distribution and exhibition.A studio hierarchuy was estblished that lasted for several generations. Hollywood studio era

5. it consisted of the five maiors fox MGM Warner brothers paramount RKO

6. FOX  founded in 1935,by silent film era of large companies fox film company and 20th century film company merger is a 30-40 dock in the good seven of eight big moive one of companies.

7. universal picture  universal specializes in cheap horror films,as well as the audience like to watch the western small towns,popular drama series and movies.universal is one of the longest hollywood film.in 2010,the MGM bankruptcy,universal,return to hollywood.

8. IMAX3D  IMADX3D is IMAX3D screening of the film,IMAX3D use two sets IMAX dedicated 15/70 film.combined with IMAX giant screen,IMAX3D can produce realistic vision stereo effect.

9. American popular music  in the first five decades of the 20th century the American music industry developed a series of new forms of music  these popular styles,including country,R&B,jazz and rock,later hip hop,help to express an Amerian national identity.

10. jazz  jazz is a style of music that originated at the beginnig of the 20th century in African American communties in the southern united states from a confluence of African and european music traditions.  from its early development until the present,jazz has incorporated music from 19th and 20th century American popular music.

11. Rock &roll  rock &roll music is a kind of type,originated in the 1940s and 1950s end of early American pop,quickly became popular in the world.Rock with its flexible bold express and passion music rhythme expression of emotion,the young people around the world.

12. country music  country music is a kind of contemporary pop music,originated in the southern united states and appalachia mountains.country music is rooted in the 1920s,the traditional,folk music,integration gospel music and celic in music.country music melody,generally very smooth phrasing structure beautiful also is imple.

13. hip hop  hip hop first emerged among young urban blacks in new york city during the late 1970s.  by the late1990's hip-hop had become more popular than rock music in America.

14.  music makes a qualities of race higher and expensive,where have music,where enjoy to melt.