Final answer:
Alan Freed, a disc jockey, is credited with coining the term "rock 'n' roll" in the 1950s. He was crucial in popularizing this new music genre, which blended various musical styles and became an emblem of youth rebellion.
Step-by-step explanation:
The term "rock 'n' roll" is credited to disc jockey Alan Freed, who popularized the music on the radio in Cleveland and organized the first rock and roll concert. The main answer to who called the new form of music of the '50s "rock 'n' roll" is Alan Freed, a figure who played a pivotal role in the genre's rise. Freed's contribution went beyond just a name; he promoted an integration of musical styles drawing from rhythm and blues, electric instruments, gospel, country, and jazz. These influences, combined with the heavy rhythm and simple melodies, led to rock and roll captivating teenagers across America.Explanation in more than 100 words: Rock 'n' roll was essentially born from the synergy of various musical styles that integrated the sounds of different genres. This new sound resonated with the youth, who used it as a form of rebellion and self-expression. Artists like Elvis Presley and Bill Haley became icons of this musical revolution, breaking racial barriers and pushing societal boundaries. Alan Freed's role was instrumental, as he gave rock 'n' roll its name and significantly helped in its dissemination among a wider audience, thus contributing to the lasting impact of the genre.In conclusion, Alan Freed's contribution to the rock 'n' roll movement was monumental, solidifying the genre's place in history and influencing generations of music lovers and musicians to come.