O MARKS THE SPOT: MTV’s O Music Awards 2 will stream live from an undisclosed L.A. location on Halloween night, Oct. 31, beginning at 11:30 p.m. ET/8:30 p.m.(PT) at OMusicAwards.com. The first four minutes of the show will be broadcast on MTV itself. The event, which celebrates and honors the artists, innovators and fans impacting digital music culture, will be made available across MTV.com, VH1.com, CMT.com, LogoTV.com and MTVHive.com. Since voting began last week, more than three million votes have been cast, with additional fan nominees including Adam Lambert for Must Follow Artist on Twitter, Black Veil Brides "BVB Army" for Fan Army FTW, iHeartRadio Music Festival for Most Innovative Festival, and Tristan Jehan (Echo Nest Co-Founder/CTO) for Hottest Music NILF. (10/6p)