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Rock music became more than just a musical trend; it also characterized the rise of the teenage culture, symbolized rebellion, and influenced political and social attitudes. Furthermore, rock and roll remains a viable creative endeavor today, and is also internationally popular, which is why the trend is so important. Beyond rock and roll, electronic music and hip hop are recent significant musical trends. Electronic music has been around for decades, and reached a peak with the advent of the rave. Electronic music remains a vital force in the industry, and has also impacted the development of hip hop. Hip-hop is yet another musical trend that coincides with social and race-related realities in the United States. The genre is so important because it represents American urban culture.

Among the literary trends between 1870 and the present day, the most significant ones include post-colonialism, science fiction, beat poetry, and horror. Post-colonial literature such as the works of Joseph Conrad brought awareness to the problems associated with the colonialist mentality. Post-colonial fiction put a human face on the very real political, social, and economic issues of the modern world. Realism was a major literary method used by post-colonial authors, who depicted their worlds with stunning detail. With the modern fascination with technological advancements, science fiction became a highly significant literary trend to emerge during the twentieth century. Science fiction originated in the early twentieth century when Orson Welles' reading of H.G. Wells' novel the War of the Worlds shocked the nation into believing that aliens had indeed attacked the United States. Science fiction literature strongly influenced television and film, too, and is responsible for the popularity of both Star Trek and Star Wars. Related to but different from science fiction, fantasy writing also emerged during this time and gave rise to the writings of J.R.R. Tolkein, whose works recently spawned motion pictures.

Another significant literary trend to emerge during the middle of the twentieth century was beat poetry and beat literature. Beat poetry was completely free verse and free form, in sharp contrast to earlier, more structured forms. Moreover, beat poetry was far more abstract than previous works. Just as modern art was becoming more abstract and expressionist, so too was literature. Another key literary trend to emerge during the past century was horror fiction. While horror derives from earlier Gothic literature as well as from science fiction, the horror genre has had a huge impact on modern literary expression. Authors like Stephen King have become immensely famous by making people afraid, and his works as well as the works of countless other horror writers have impacted the plots and themes of films and television shows.