Otis Jackson Jr., known professionally as Madlib, is a Los Angeles, California-based DJ, multi-instrumentalist, MC, and music producer born on October 24, 1973 in Oxnard, California, United States. Known under a plethora of pseudonyms, he is one of the most prolific and critically acclaimed hip hop producers of the 2000s and has collaborated with myriad hip hop artists, including Tha Alkaholiks, Mos Def, De La Soul, Ghostface Killah, Talib Kweli, A.