. >>> kate larson from our sister station in l.a. spoke with the co-owner of 100% silk, a los angeles record label that represented the headliner at the party on friday night. here is kate larson. >> reporter: just before fire in oakland filled this warehouse with smoke and flames, a musician stepped outside for a cigarette and explained to his friend by phone today what happened. >> he just said instantly like before his cigarette was done people started yelling fire and the very first thing was the corridor was so smoky. >> reporter: britt brown coens 100 silk,. joel shanahan told brown how smoke quickly blocked the entrance and exit. >> it was just kind of immediately the one place you needed to get through was like already so much smoke, it was hard to breathe, and sto that's what it so extra frantic. >> reporter: in this video posted on instagram about an hour before the fire started, you can hear deejays playing their music in the dark multistory space which would later light up with flames trapping dozens of people inside. bro