Rock is a form of popular music that emerged in the 1950s and that by the end of the 20th century was the world’s dominant form of popular music. It originated in the United States and spread …

Nov 25, 2025 · Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and …

Rock music is a form of popular music that emerged in the 1950s and can be defined as “a form of music with a strong beat”—it is difficult to be much more precise. It is also called rock and roll.

Rock history can thus be organized around both the sound of cities (Philadelphia and Detroit, New York City and San Francisco, Liverpool and Manchester) and the spread of youth cults (rock …

Rock's origins lie in rock and roll, a new form of American popular music in the 1950s that was personified early on by Elvis Presley. Other successful rock singers, musicians, and groups …

ROCK meaning: 1 : to move (someone or something) back and forth or from side to side; 2 : to cause (something) to shake violently sometimes used figuratively

Nov 21, 2025 · Rock and roll, style of popular music that originated in the United States in the mid-1950s and that evolved by the mid-1960s into the more encompassing international style …

British Invasion, musical movement of the mid-1960s composed of British rock-and-roll (“beat”) groups whose popularity spread rapidly to the United States. The Beatles’ triumphant arrival in …

rock, In geology, a naturally occurring and coherent aggregate of mineral s. The three major classes of rock— igneous, sedimentary, and metamorphic —are based on the processes that …

Nov 25, 2025 · Rock - Structure, Texture, Composition: Physical properties of rocks are of interest and utility in many fields of work, including geology, petrophysics, geophysics, materials …