The legendary Brutal Death Grind Metal band Purulent from Colombia (South America) led by David Rairan (RIP 1977 - 2003), who with Purulent changed the metal scene in Colombia and paved the way to many brutal bands in Colombia, here playing on this bar called: Acido Bar in Bogota in 1999.
(This video is a gem and has been saved from old VHS video tapes).
You're lucky to watch this, Enjoy it!

Wilson Rairan/Drums - Purulent (1993-1999)
Animals Killing People, Andromorphus Rexalia, Copremesis