We start into a new year of zero" podcasts with a very special guest behind the decks, someone who is celebrating his 20th anniversary in the techno business in 2011: acclaimed DJ and veteran producer Dave Tarrida. Tarrida's career started in Edinburgh, where he set up the Sativa club nights together with friends back in 1991. Over the five years of its existence Sativa became Scotland's best known techno club and eventually turned into an equally...