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.
The Top Ten. 1 Rock Rock music is a music genre that was created in the 1950s . The genre really got popular in the 60s, 70s and 80s . It generally consists of a guitar player, a drummer, bass player and singer . There are a lot of rock subgenres . I listen to primarily rock.