1) Colombian Death Metal/Thrash Metal band formed in 1990 in Medellín city. They recorded the Rehearsal Demo '90
2) Nu-metal from Venezuela. Agresión's music is heavy, loud, melodic and steady. The band was formed in Maracay, Venezuela in 1995 and has been working to refine an original sound ever since. Agresión is combining the groove of 70's rock with dark melodies of metal. The lyrics are written in English and Spanish due to the South American origins of the band.