Music genre is an umbrella term used to describe a wide variety of styles of music. Some of the most popular genres include RAP (3 letters), METAL (5 letters), ROCK (4 letters), BLUES (5 letters), emo (3 letters), POP (3 letters), FOLK (4 letters), JAZZ (4 letters), SOUL (4 letters), R&B (5 letters), SWING (5 letters), URBAN (5 letters), GOSPEL (6 letters), new age (6 letters), calypso (7 letters), soft ROCK (8 letters), CLASSICAL (9 letters), electronica (11 letters), ROCK and roll (11 letters), thrash METAL (11 letters), electronic POP (13 letters), and alternative ROCK (15 letters). Each of these genres has its own unique sound, history, and culture.