Rodrigo A. Perez Silva a.k.a. Khain74 start doing hip-hop in 1992, taking the first inroads with "Ghetto Xile", with whom he recorded their first demos, and later develops a solo for a few years in 1996 trip to Cuba where knew "Moña" (hip-hop Cubano), appearing in a couple of times, sharing the stage with local groups, returning to Chile is part of the group "AKEN" where he begins to dabble in programming as well as producer rhythms Rap. In 1998 he published the Demo "Cain & Storm" project which subsequently results in the group "Magia Negra" with which to edit 2 albums independently in 2001 as "Abstracto" (khain74 & Chico Claudio), brought to market a self-titled album with the video of the single "Pianteria" is developed in parallel as a producer with projects like "Postenebras Lux", "Oktopus Project" "Lyriko" ""Joyas del Barrio"(Project Fondart) Don Latino "Arriba Latina", "Corazoncito" and "Como te quiero" Los Lunatikos (Brian Gibbs UglyBoy), So What! the 13th Tribe (Kevin Dillon)