Rock and roll
Rock and roll is a genre of popular music that originated and evolved in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 during the late 1940s and early 1950s, primarily from a combination of African American blues
Blues is the name given to both a musical form and a music genre that originated in African-American communities of primarily the "Deep South" of the United States at the end of the 19th century from spirituals, work songs, field hollers, shouts and chants, and rhymed simple narrative ballads...

, country, jazz
Jazz is a musical style that originated at the beginning of the 20th century in African American communities in the Southern United States. It was born out of a mix of African and European music traditions. From its early development until the present, jazz has incorporated music from 19th and 20th...

, and gospel music
Gospel music
Gospel music is music that is written to express either personal, spiritual or a communal belief regarding Christian life, as well as to give a Christian alternative to mainstream secular music....

. Though elements of rock and roll can be heard in country records of the 1930s, and in blues records from the 1920s, rock and roll did not acquire its name until the 1950s.

The term "rock and roll" now has at least two different meanings, both in common usage.

It's got a back-beat you can't lose it, any old time you use it... it's got to be rock and roll music if you want to dance with me.

Chuck Berry

As I define it, rock and roll is dead. The attitude isn't dead, but the music is no longer vital. It doesn't have the same meaning. The attitude, though, is still very much alive -- and it still informs other kinds of music.

David Byrne

If it's illegal to rock and roll, throw my ass in jail!

Kurt Cobain

It's a nightmare set to music.

Bill Cosby

Men make angry music and it's called rock-and-roll; women include anger in their vocabulary and suddenly they're angry and militant.

Ani Difranco

Commercial rock 'n' roll music is a brutalization of the stream of contemporary Negro church music an obscene looting of a cultural expression.

Ralph Ellison

Rock and Roll is passion, commitment, and spirit.

Mick Fleetwood

You've got to be hard, like the rock in that old rock and roll.

Billy Joel

Rock and roll used to be for kicks, nowadays it's politics.

Billy Joel

Rock and Roller cola wars, I can't take it anymore.

Billy Joel