Rock music is part of popular music

Rock music is part of popular music today.it is played and listened in almost every countries in the world.rock and roll was the name given to the music that developed in the early 1950's.it is believed that the term rock and roll was first used by a disk jockey alan freed.(general clasification) in 1955,records of a young singer from tennessee,elvis presley,were heard across the US.after he appeared on nation-wide television.elvis presley's singing and his performing style came to mean rock and roll all over the world.then came Bill Haley and the comets.rock mainly became the music of the young.they understood its beat and sound,and its lyrics(Description)
The 1970's were the time of big developments in the industry.rock became a very big business,earned more monay annually than any ather form of entertainment including the film industry

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Musik rock adalah bagian musik populer today.it bermain dan mendengarkan di hampir setiap negara di world.rock dan roll adalah nama yang diberikan kepada musik yang dikembangkan dalam 1950's.it awal ini diyakini bahwa istilah rock and roll pertama kali digunakan oleh disk jockey alan dibebaskan. (umum enis) pada tahun 1955, catatan dari penyanyi muda dari tennessee, elvis presley, terdengar di seluruh US.after ia muncul di seluruh television.elvis presley bernyanyi dan gaya pertunjukan datang berarti rock and roll seluruh world.then datang Bill Haley dan comets.rock terutama menjadi musik young.they dipahami yang mengalahkan dan suara, dan lyrics(Description) yangTahun 1970-an yang besar untuk pembangunan di industry.rock menjadi bisnis besar yang sangat, memperoleh lebih monay per tahun dari segala bentuk ather hiburan termasuk industri film