....in the 1969 a concert for freadom and for peace was to be done. No one could imagine how big will be the arrival of the people and the success that the concert will have.this concert wich made in the woodstock was the bigest and the better ever done couse off the quality and the communibillity of it. In the 70's, the common barriers of rock broke into more divisions, like hard rock and mellow rock. Hard Rock was extremely loud and electronically amplified and Mellow Rock was softer and with acoustic instruments. In 1972, in Jamaica, a new style of music was created called Reggae. Reggae is a mixture of rock, soul, calypso and Latin music. The king of Reggae was Bob Marley. Other styles more in rocks borders, since Reggae was more latin than rock, were created in the middle of this century, like: bubble gum rock, a funny playful music directed to the youngest fans, Punk Rock, "a loud, hard rock style derived from acid rock and marked by its extremes of costume and staging" ("Rock Music", Encarta, p.1), and Heavy Metal, which continued the approach to Acid Rock but with a simpler musical dimension but relying upon the power of repetitiveness, loud volume, and electronic distortion. One famous group of Heavy Metal was Led Zeppelin, a British group that was formed in 1968 by Jimmy Page (lead guitar), Robert Plant (lead singer), John Paul Jones (pianist and bassist) and John Bonham (drummer). Most music of this decade was intended to be listened to, but not to be danced. But this intention wasn't kept by Disco music that arose in 1977 and was especially for dancing. One great group of Disco music were the Bee Gees. Disco music was described by rock fans as mechanical, commercial and unlyrical (which is true). At the end of this decade, rock, again became a dominant cultural force.

The last but not least section in this flashback is the rock of 80's. At the start of this last decade, rock groups became more production oriented, mainly because of the sudden explosion of videos. This new sensation was a good way to sell music to the people. Heavy metal bands were greatly pushed by videos, but most helped were the popular performers like Michael Jackson, Prince and Boy George. The influence of British bands of punk, disco, reggae and pop-rock was still big in the U.S. Rock scene. At the same time, there of nostalgia to return to the older pre rock music, like rhythm and blues, which was suggested by played by Elvis Costello. By the middle of the 80's, almost every country had begun to support indigenous music, and at the end of this "a vigorous talk-song style called rap became extremely popular among urban black teenagers" ("Rock Music", Encarta,).