Jamar Rolando McNaughton (born 10 October 1992),[1] popularly known as Chronixx, is a Jamaican reggae artist.

[2][3] Chronixx and his music has been branded as a "Reggae Revival", alongside other reggae musicians including Lila Ike Alborosie, Dre Island, Jah Bouks, Jah9, Protoje, Kelissa, Jesse Royal, Keznamdi and Kabaka Pyramid.

[2] Chronixx popularity grew throughout 2012, with significant airplay in Jamaica, and performances at festivals such as Reggae Sumfest and a show in December at the Tracks and Records nightclub/restaurant in Kingston, which was attended by Usain Bolt.

[2][14] Following his appearance on the Jimmy Fallon show and his Central Park concert, the EP saw significant gains, according to Nielsen SoundScan, earning a number two position on the Digital Reggae Singles chart.

[22] He founded his own ZincFence Recordz production house along with producer Romain "Teflon" Arnett and co-producer/engineer Ricardo "Shadyz" Lynch.

[4] As well as Chronixx, ZincFence has produced hits by Jah Cure, Kabaka Pyramid, and Protoje, and had worked with Maverick Sabre, Mavado, and Nomaddz.

[23] In January 2015, Chronixx appeared on "Belly of the Beast" a song which featured on American rapper Joey Badass debut album B4.Da.$$.

The title of the track and album were inspired by his hometown – De La Vega City, a district in Spanish Town, Jamaica.