of, relating to, or shaped like a triangle; having three angles; triangular. 2. Crystallography. having threefold symmetry. Origin of trigonal.
An online survey conducted in the U.S. points out that the most popular music genre in the U.S. is rock, with 40 percent of respondents choosing this option. The second and third most listened to music genres are oldies and country respectively, while hip hop/rap is favored by a smaller niche of American listeners.
Country music is a genre of American popular music that originated in the Southern United States in the 1920s.It takes its roots from the southeastern genre of American folk music and Western music.ockabilly was most popular with country fans in the 1950s, and 1956 could be called the year of rockabilly in country music. Beginning in the mid-1950s, and reaching its peak during the early 1960s, the Nashville Sound turned country music into a multimillion-dollar industry centered in Nashville, Tennessee.