David Augustine was originally a high school teacher. He released a series of mixtapes including Still We Rise and I Am Who I Am. Dee-1 collaborated with Dr. Rani G. Whitfield M.D., a.k.a. “Tha Hip-Hop Doc” and toured schools on the lecture circuit. Dee-1 has been featured in national media outlets such as CNN and Billboard Magazine. He has also received attention from Louisiana newspapers and music magazines. In 2009, he resigned as a teacher to focus on his first studio album.
 2009-present: David & Goliath
His first studio album David & Goliath was released April 13, 2009. Most recently, Dee-1 has performed alongside nationally touring acts such as Lil Wayne, Lupe Fiasco, Drake, Trey Songz, Akon, The Roots, Mya, The Clipse, Musiq Soulchild, Fat Joe, Lil Boosie, and Juvenile. In October 2010, he was named Artist of The Year at the NOLA Underground Hip Hop Awards. The video for his song “Jay, 50, & Weezy” was released October 11, 2010. It has received attention for its content and mention of Lil Wayne, 50 cent, and Jay-Z. The video has also aired on MTV Jams and according program director Tuma Basa has received a lot of positive feedback.
His latest mixtape “I Hope They Hear Me” was released April 20, 2010. It has received positive reviews.