Terry Riley is an American composer and musician, best known for his pioneering work in minimalist music. Born on June 24, 1935, in Colfax, California, he gained fame with his groundbreaking piece, In C, which was composed in 1964. This work features a series of short musical phrases that can be played in various combinations, allowing for a unique performance each time. Riley's influence extends beyond classical music; he has collaborated with various artists and genres, including jazz and electronic music. His innovative approach has inspired many contemporary composers and musicians, making him a significant figure in the development of modern music.