Lawrence Arnell started off his career as an emcee/singer/songwriter. At 19 years old, Lawrence caught the eye of Tommy Boy Records as a member of the hip-hop collective Deadly Snakes. With dates on the Lyricist Lounge Tour, placements on the soundtrack to Jet Li's Black Mask movie and a co-sign from Prince Paul, The Snakes seemed to be on the right track. But soon after The Deadly Snakes disbanded following the release from their deal with Tommy Boy. While most would've thrown in the towel completely, Arnell fell back and sharpened his skills as an emcee as well as a vocalist and songwriter. In 2000, Arnell made a guest appearance on "Blood Reign" from JMT's Violent by Design under the name Diamondback. In 2005, Arnell was featured on the trackChicken Kitchen Chop-Chop Mix by Nuthouse on their 12" vinyl; Snap Your Neck 2 Dis This is considered to be his first breakthrough as an underground artist.
2007-2011: Breakthrough
In 2008, Arnell collaborated with King Syze on his second studio albumThe Labor Union. He was featured on the track Creep Show. Later that year, fellow rap duo OuterSpace announced they were to release their third studio album God's Fury. Lawrence Arnell was featured on the track Quick Draw along with Doap Nixon. In 2009, Jedi Mind Tricks frontman Vinnie Paz announced that he is working on his debut solo albumSeason of the Assassin slated for a 2010 release. Arnell was featured on the track Ain't Shit Changed. In 2010, Arnell featured a single titled Nothin' Less and featured JuJu Mob member Reef the Lost Cauze. A music video was released on to YouTube in May 25, 2010. In 2011, Lawrence Arnell was featured on Syze's third studio album Collective Bargaining on the track Rap for Real. Underground rap artist Tygastyle released his album Father of the Year which featured the track Dangerous Living by Lawrence Arnell. In 2012, Arnell gave his vocals on the collaboration album by Pacewon and Mr.Green; The Only Number That Matters Is Won on the track Slow. Another notable feature of Arnell was in 2012, on single titled Stay True by rapper Awar. This was later included in the album Things Of That Nature / Nature Of The Beast
Rapper Vinnie Paz, released his second EP on October 29, 2013 titled Carry on Tradition. Arnell was featured on the songs The Devils Ransom along with Jarren Benton and In the Middle of Nowhere. On November 30, 2013, Vinnie Paz revealed that two new Army Of The Pharaohs albums would be released in 2014. The first album In Death Reborn was announced for a release on 22 April, followed by Heavy Lies the Crown in November. Lawrence Arnell was announced to be featured on the album alongside new Army of the Pharaohs members Blacastan of The Demigodz and Zilla from Houston, Texas. Arnell was also featured on King Syze's fourth studio album Union Terminology on the songs Union Goons and Business Agents alongside Planetary.