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.
Music Genres List. Genres of Music | The Most Definitive Music Genre List on the Web! Music comes in many different types and styles ranging from traditional rock music to world pop, easy listening and bluegrass. Many genres have a rich history or geographical significance, a cult following or music roots that go far beyond the 20th century.