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 to other …

Apr 8, 2026 · 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 - 1960s, British Invasion, Psychedelic: Whatever the commercial forces at play (and despite the continuing industry belief that this was pop music as transitory novelty), it became clear that the most …

Rock - Social Change, Cultural Evolution, Music Revolution: How, then, should rock’s contribution to music history be judged? One way to answer this is to trace rock’s influences on other musics. …

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 music, …

Rock - Pioneers, Genres, Legends: For lexicographers and legislators alike, the purpose of definition is to grasp a meaning, to hold it in place, so that people can use a word correctly—for example, to …

Mar 21, 2026 · Art rock is an eclectic branch of rock music that emerged in the late 1960s and flourished in the early to mid-1970s. The term is sometimes used interchangeably with ‘progressive rock.’ …

Mar 23, 2026 · Uluru/Ayers Rock, giant monolith, one of the tors (isolated masses of weathered rock) in southwestern Northern Territory, central Australia. It has long been revered by a variety of Australian …

Rock music also was transformed by its intersection with folk. Although rock previously had been perceived and created almost exclusively as entertainment, it now began to take on folk music’s self …

Jul 16, 2017 · Numerous rock bands have shaken the world and captured the attention of audiences over the years. Whether such bands are celebrated for their creative songwriting, iconic lead singers, …