Update: Chief Keef was released from jail in Chicago this afternoon (Nov. 8) and is scheduled to attend rehab in Los Angeles. Keef's lawyer told TMZ that the "I Don't Like" rapper left custody at 2:15 p.m. CST and will arrive in California sometime over the weekend. 

He will begin court-mandated community service at a horse training facility after he completes 90 days of treatment for marijuana addiction. 

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Chief Keef has a new set of collaborators lined up.

The Chi-town rapper will be working with horses as part of the 60 hours of community service he was given, stemming from a May speeding bust. According to TMZ, Sosa's new job is at Horsefeathers, an equestrian center aimed at providing horse therapy for disabled patients. The teen will clean out barns, pick up horse droppings, plus feed and clean the animals.  

Keef — aka Keith Cozart — was jailed Wednesday (Nov. 6) and slapped with 90 days in rehab, which he started a day later. The sentence came after he failed a random drug test and violated the terms of his probation. 

The 18-year-old kicked off 2013 with a 60-day jail sentence that he completed in March, and he's been in and out of custody ever since. He was also sued this year for upwards of $250,000 in various cases. 

No word as yet on when he will begin work at the horse center.  

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(Photo:  Tim Mosenfelder/Getty Images)