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|Birth name||Kejuan Muchita|
|Born||May 21, 1974|
|Origin||Queens, New York, U.S.|
|Occupation(s)||Rapper, record producer|
|Instruments||Drum machine, synthesizer, keyboards, bass, turntables, sampler|
|Associated acts||Mobb Deep, G-Unit, Big Noyd, Infamous Mobb, Black Moon, Prodigy, R.A. The Rugged Man|
Havoc is from the New York City housing project Queensbridge Houses in Long Island City, Queens; his mother is from Brooklyn, NY. Havoc is the lead producer of Mobb Deep, and has produced songs for MCs such as Eminem, Nas, Foxy Brown, Onyx, The Notorious B.I.G., Jadakiss, Styles P, Method Man, Game, Diddy, LL Cool J, La The Darkman, Rohff, Big Noyd, Termanology, Per Vers, O.G.C., Tragedy Khadafi, Capone-N-Noreaga, and his own partner Prodigy on his solo work. In the spring of 2005, Mobb Deep was signed to fellow Queens rapper 50 Cent's record label G-Unit Records. In late-2009, 50 Cent dropped the pair from the label.
Havoc is renowned among serious hip-hop fans as one of the prominent figures during the mid-1990s for his hard-hitting and stripped-down beats complementary to the RZA's work on Wu-Tang Clan projects. Following The Infamous, he tweaked his skills and transitioned to a more atmospheric production style that incorporated samples from classical music, most notably visible on the 1996 album Hell on Earth. As a rapper, he is known for his hardcore lyricism and consistent flow. He also contributed background vocals and a verse on Black Moon's debut album Enta da Stage in 1993.
In July 2009, Havoc was featured alongside Raekwon in J Dilla's music video for "24K Rap" off of the Jay Stay Paid album, the video was directed by Derek Pike. In 2010, Havoc produced a beat for Eminem which resulted in a song called "Untitled" which is a hidden track on Eminem's album Recovery and contributed to the iTunes bonus track to Raekwon's album Shaolin vs. Wu-Tang & Bad Meets Evil's Hell: The Sequel EP. He revealed that he plans on recording a new Mobb Deep album with Nas. His third studio album 13 was released on May 7, 2013.
Havoc worked with Kavinsky on his 2013 album OutRun. He wrote the lyrics and sang the vocals for, "Suburbia", the sixth track on the album.  In 2016, Havoc produced "Real Friends" and "Famous", two tracks on Kanye West's album The Life of Pablo.
- 2007: The Kush
- 2009: Hidden Files
- 2013: 13
- 2014: 13 Reloaded
- 2016: The Silent Partner (with The Alchemist)
- 2007: The One And Only
- 2009: From Now On The Mixtape
- 2013: Beats Collection
- 2013: Beats Collection 2
- 2007: "I'm the Boss"
- 2007: "Be There"
- 2009: "Watch Me" (Feat. Ricky Blaze)
- 2009: "Heart of the Grind"
- 2009: "H Is Back"
- 2009: "Always Have a Choice"
- 2010: "If You Love Me" (Feat. Sheek Louch, Joell Ortiz & Cassidy)
- 2012: "Same Shit, Different Day"
- 2012: "Separated (Real From the Fake)" (Feat. Ferg Brim)
- 2013: "Gritty" (Instrumental)
- 2013: "Tell Me to My Face" (Feat. Royce da 5'9")
- 2013: "Gone"
- 2013: "Life We Chose" (Feat. Lloyd Banks)
- 2013: "Life We Chose" (Remix) (Feat. Prodigy, Lloyd Banks)
- Langhorne, Cyrus (2009-11-10). "50 Cent Released Mobb Deep From G-Unit Records, Says Game Is Still Signed To His Label". Sohh.Com. Retrieved 2012-03-30.
- Vasquez, Andres (2011-05-25). "Mobb Deep & Nas To Collaborate On Full-Length LP, Says Havoc | Get The Latest Hip Hop News, Rap News & Hip Hop Album Sales". HipHop DX. Retrieved 2012-03-30.
- OutRun (CD liner notes). Kavinsky. Record Makers. 2013. REC86.
- "Havoc Breaks Down His Production Work on Kanye West's 'The Life of Pablo' Album – Exclusive". XXL. 19 February 2016. Retrieved 19 February 2016.