 He worked for “Radiodifusora Nacional de Colombia”, as the broadcaster and producer of the programs “Blues 99.1”, “Carouselambra” “Detector” and “Mundo Zappa”.Since 1989 to 2001, he also hosted a weekly Sunday four-hour program “El Expreso del Rock” on 88.9 fm, “Superestación”.Durán also produced and broadcast the program “Black Night” on Dyna Radio on-line.