Yosef Wolde-Mariam ”Critical” b. 1978 & Tshawe Baqwa ”Kapricon” b. 1980 grouped together in Oslo, Norway in 1992 as members of Mad Conference (MadCon). The group orignally had five members, but the other members soon left.
During the 1990's they guest rapped on several albums. Their first single "God Forgive Me" was released in the summer 2000. Later they founded their own label "AA Recordings", and their debut album "It's All A MadCon" was released in November 2004. During the last years they have been touring together with big artists such as 50 Cent, Wu Tang Clan, Destiny's Child and Xzibit.