Vermont-based concert promoters Mixed Bad Productions will host a series of unofficial after parties following the Vegoose festivities at Las Vegas Sam Boyd Stadium this weekend. On Saturday Mix Bag Productions will host Bonnaroo veteran DJ Z Trip at The Mirage Hotels The Revolution Lounge. A night later, the promoters have booked electronic-stars MSTRKRFT, LA Riots, Guns N Bombs and Lazaro Casanova at the same venue. As expected, both shows will likely stretch until 5 AM. Vegoose proper will take place this Saturday and Sunday, featuring performances by Rage Against the Machine, moe., The Shins, STS9, Daft Punk, Iggy Pop, Michael Franti & Spearhead, Umphreys McGee and ALO, among others.