MTV Network has announced the location and time for its inaugural O Music Awards event in Las Vegas. According to a recent press release, the awards show honoring art, creativity, personality, technology and the migration of music into the digital space will take place on the world famous  Fremont Street in Downtown Las Vegas. The evening's event is free and set to kick off at 11 p.m. ET (8 p.m PT) with a flash mob descending on a surprise location and an appearance by Matt & Kim.

Additional performers and guests invited to attend the new Las Vegas event include rapper Lil B, Lupe Fiasco, Rebecca Black, Foster the People, and Mumford & Sons with Edward Sharpe and Old Crow Medicine Show.  Presenters include Ke$ha, Cee Lo Green, B.o.B, Wiz Khalifa, Robyn and Theophilus London.

The network also announced that the awards show will be preceded by a series of side events kicking off at 2:30 p.m. ET (11:30 a.m. PT), when Chiddy Bang member Chidera "Chiddy" Anamege starts his attempt to set the Guinness World Records title for the Longest Freestyle Rap while also simultaneously breaking the Longest Marathon Rapping record. Fans are able to catch every minute of the world record attempt at O music Awards official site.

Nominations are led by Lady Gaga and Odd Future's Tyler the Creator lead the O Music Awards with three each, followed by Kanye West, the Flaming Lips and Nicki Minaj with two nominations apiece. Additional nominated artists include Arcade Fire, Radiohead, Justin Bieber, Lil B, Wiz Khalifa, Robyn, OK Go, Katy Perry, Antoine Dodson, the Lonely Island and FunnyorDie.com.

The inaugural O Music Awards will stream live from Las Vegas at 11 p.m. ET/8 p.m. PT on OmusicAwards.com. Fans will have the chance to choose from multiple camera feeds during the live event, including an audience cam and a special camera covering Anamege's record-setting attempt.