Lab Ox

Darren Billy, Jr., professionally known as Lab Ox, is an American hip-hop, R&B, rock, R&B, urban and pop producer from Houston, Texas. He has produced and written songs for artists and groups including Rihanna, Willow Smith, Nicki Minaj, 50 Cent, Lloyd Banks, G-Unit, Drake, and Yolanda Adams. He was the first producer signed to Jay-Z's record label Roc Nation upon the labels launch in 2009, and remained active on the label until his departure in early 2016.