Rock | Definition, History, Artists, Songs, & Facts | Britannica
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 States and …
Rock - Pioneers, Genres, Legends | Britannica
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).
Rock | Definition, Characteristics, Formation, Cycle, Classification ...
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 typically form …
Rock Hill | City of Culture, Historic Sites & Parks | Britannica
Rock Hill, city, York county, northern South Carolina, U.S., near the Catawba River, 26 miles (42 km) south of Charlotte, North Carolina. Established in 1851 as a depot on the Charlotte and South …
Rock Island | Mississippi River, Quad Cities, Fort Armstrong | Britannica
Rock Island, city, seat (1833) of Rock Island county, northwestern Illinois, U.S. It lies on the Mississippi River (bridged to Iowa) at the mouth of the Rock River and opposite the island for which it was named.
Rock - 1960s, British Invasion, Psychedelic | Britannica
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 rock. …
Rock and Roll Hall of Fame and Museum - Encyclopedia Britannica
Jan 2, 2026 · 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 known as rock …
What is rock music? - Britannica
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.
Alternative rock | Definition, Bands, Songs, & Facts | Britannica
Dec 2, 2025 · What is alternative rock music? How is alternative rock different from other types of rock music? When did alternative rock become popular? Who are some well-known alternative rock bands?
Rock Hudson | Biography, Movies, AIDS, TV Shows, Death, & Facts ...
Jan 9, 2026 · 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 MacMillan …