The group is founded and led by Brooklyn producer Rench (Oscar Owens), and combines authentic bluegrass and rap into a new genre.

[6] On July 8, 2010, Gangstagrass producer Rench and rapper T.O.N.E.Z were nominated for an Emmy in the category of Outstanding Original Main Title Theme Music for "Long Hard Times to Come.

Broken Hearts and Stolen Money, the band's third full-length studio album, was released in 2014 and included a hidden track of Will the Circle Be Unbroken.

Gangstagrass released a live album in early 2019, Pocket Full of Fire, featuring songs recorded at various venues around the United States in 2018.

In 2021, the band auditioned for a place on the 16th season of America's Got Talent and received four yeses from the judges—Simon Cowell, Sofia Vergara, Heidi Klum, and Howie Mandel—and an enthusiastic response from host Terry Crews on the way to becoming quarter-finalists.