Orezi began his music career in early 2009. Orezi's first musical release was "I No Fit Lie". The music video for the song was shot in South Africa. The song became Radio Continental's theme song. In 2010, Orezi released "High B.P". The music video for the song was endorsed by MTV Base. In late 2010, he released another single titled "Jamilaya", featuring UK disk jockey DJ JamJam. Like its predecessors, the song received rave reviews. In early 2011, Orezi was featured on the track "Emoti" alongside Danagog, Igho, and DJ Debby. It was played on Trace TV, MTV Base, Sound City, and One Music. Orezi bursts onto the Nigerian Music scene after collaborating with DJ Jimmy Jatt. He was featured on Jatt's "Komije" single alongside Sauce Kid, Muna, and Igho. Orezi released the music video for his song "Booty Bounce" which featured cameo appearances from Karen Igho, Bovi, Wande Coal, Kay Switch, Sina Rambo, Vina, Danagog, Skuki and General Pype, among others. For several weeks, the song was one of the top ten African songs on Trace Urban, Channel O, and MTV. The music video for the song received a nomination in the Reggae/Dancehall category at the 2012 Channel O Music Video Awards. In March and September 2014, Orezi released the French version of his single "Shoki" as well as the music video for his "You Garrit" single, respectively. In September 2015, Orezi released his debut album titled Ghen Ghen, featuring collaborations with 9ice, Davido, Flavour, Ice Prince, M.I Abaga, Timaya and Wizkid. The album was rated 3.0 on a scale of 5 by Pulse NG. In November 2015, Orezi released the music video for his hit single "Ogede". He released a controversial cover for his single "Call in the police" in September 2016.