Jan 6, 2026 · 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 …

Dec 29, 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 …

Jan 6, 2026 · The trouble is that the term rock describes an evolving musical practice informed by a variety of nonmusical arguments (about creativity, sincerity, commerce, and popularity).

Nov 13, 2025 · Rock Hudson, American actor noted for his good looks and movie roles during the 1950s and ’60s, including Magnificent Obsession, Giant, and Pillow Talk, and for the TV series …

Dec 30, 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 …

Jan 6, 2026 · The Beatles’ success suggested that it was possible to enjoy the commercial, mass-cultural power of rock and roll while remaining an artist. The immediate consequence was folk …

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 …

Sep 18, 1970 · Mia Zapata was the lead vocalist of the Seattle-based punk rock group the Gits. Born in Chicago in 1965 and raised in Louisville, Kentucky, she fell in with a group of …

Dec 29, 2025 · Rock - Electrical Properties: The electrical nature of a material is characterized by its conductivity (or, inversely, its resistivity) and its dielectric constant, and coefficients that …

Rock is distinguished from pop as the authentic expression of a performer’s or composer’s feelings and the authentic representation of a social situation. Rock is at once the mainstream …