Jonn Hart

Jonn Hart is an R&B and rap-leaning singer from Oakland, California, who became one of the most recognizable voices to emerge from the Bay Area's early-2010s hyphy-adjacent R&B scene. He broke through in 2012 with «Who Booty», a smooth, bass-heavy single that started as a regional hit before climbing to number one on the US Billboard Rhythmic chart, propelled largely by word of mouth and DJ support in California clubs.

Part of what made «Who Booty» such a phenomenon was its remix culture: separate versions featuring East Coast rapper French Montana and fellow Bay Area figures E-40 and Clyde Carson helped the song cross regional lines and reach national radio. This pattern of collaborative remixes became something of a signature for Jonn Hart, blending his melodic, radio-ready hooks with guest verses from established rap acts.

Beyond his breakout single, songs like «Hell Yeah», «Papi», and «New Chick» show his continued work in the R&B-meets-rap lane, mixing sung hooks with rap cadences typical of Bay Area urban pop at the time. While he never fully broke into mainstream pop stardom beyond his signature hit, Jonn Hart remains an important name in discussions of Oakland's regional R&B and hip-hop crossover sound of the early 2010s.