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 Soda ash (from nearby trona deposits), oil, natural gas, and livestock are the economic mainstays. 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 recognizable and mappable volumes It was in rock springs that the outlaw butch cassidy (robert leroy parker) held a job in a butcher’s shop and derived his adopted nickname, butch The three major classes of rock are igneous, sedimentary, and metamorphic rock.
Though rock has used a wide variety of instruments, its basic elements are one or several vocalists, heavily amplified electric guitars (including bass, rhythm, and lead), and drums. 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 and wife in the 1970s Rock remains the most democratic of mass media—the only one in which voices from the margins of society can still be heard out loud Yet, at the beginning of the 21st century, rock and the music industry faced a new crisis.
The immediate consequence was folk rock Folk musicians, led by bob dylan, went electric, amplified their instruments, and sharpened their beat.
