Crash Mansion, a live-music venue and nightclub owned by the Bowery Restaurant Group and located at 199 Bowery in New York City , is opening their Los Angeles outpost tonight. They have transformed Myron's Ballroom downtown into a club. We read that is has a capacity for 1200 guests, 5 bars and two stages. Bands that have performed in the New York venue include: Beyonce, Janet Jackson, Norah Jones, Joss Stone, Usher, Gavin DeGraw,......