After-Hour Parties Spread In Los Angeles -

12/27/2011 06:58 pm ET | Updated Feb 26, 2012

LOS ANGELES -- Getting to this party took commitment. The chosen had to RSVP early to get on the guest list but were not told where they were going. The address came later, by e-mail: Be at a dimly lighted parking lot just east of the Los Angeles River at 1 a.m. They lined up at a corrugated steel fence, shivering in their furs and leather jackets on the chilly December night.