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Rock started in the late 40's when styles of the day like blues changed into a new sound with electric guitars and a steady drum beat. The most popular artist's of those time's were Elvis Presley and Chuck Berry.

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As rock music became the dominant form of popular music, new bands gave rock a darker and a heavier tone. This is how in the 70's a new genre known as "hard rock" or "heavy metal" emerged.

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As the 80's began, rock music was loosing commercial steam. In such a creatively stagnant environment, sub-genres started to asset their dominance.

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At the beginning of the 90's alternative rock became the dominant popular music.

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Some of the most popular rock artists are: The Beatles, The Rolling Stones, Queen, Guns N Roses, Metallica, Led Zeppelin, AC/DC, Nirvana, Bon Jovi, Deep Purple and Black Sabbath.