RnB is a genre of popular African-American music that originated in the 1940s and was originally used to describe jazz-influenced recordings marketed to urban African Americans. Some famous RnB artists include Aaliyah, Mary J. Blige, James Brown, Missy Elliot, R. Kelly, Ne-Yo, Rita Ora, Sean Paul, Quincy Jones, Rihanna, Justin Timberlake, Usher, and Pharrell Williams. Conventions in RnB music videos include males wearing jewelry and tattoos and females wearing minimal clothing, styled hair and makeup, and high heels. Music videos have evolved over the decades from formal dance performances in the 1980s to slower,