American rock there was a Garage rock/post-punk revival. The development of digital technology led to the development of new forms of digital electronic rock. The foundations of American rock music are in rock and roll, which originated in the United States in the late 1940s and early 1950s. Its immediate origins lay in a mixing together of various black musical genres of the time, including rhythm and blues and gospel music; in addition to country and western. In 1951, Cleveland, Ohio disc jockey Alan Freed began playing rhythm and blues music for a multi-racial audience, and is credited with first using the
Origins of rock and roll well established in blues music but were new to the radio airwaves. After the success of "Good Rocking Tonight", many other R&B artists used similar titles through the late 1940s. At least two different songs with the title "Rock and Roll" were recorded in the late 1940s: by Paul Bascomb in 1947 and Wild Bill Moore in 1948. In May 1948, Savoy Records advertised "Robbie-Dobey Boogie" by Brownie McGhee with the tagline "It jumps, it's made, it rocks, it rolls." Another record where the phrase was repeated throughout the song was "Rock and Roll Blues", recorded in 1949 by Erline