The Arcade Fire, Talib Kweli, Umphrey’s McGee and ALO have been added to the inaugural Vegoose festival . Joining a roster which already includes Widespread Panic, Dave Matthews and Friends, Trey Anastasio, Jack Johnson, Ween, the Shins, Spoon and The Flaming Lips, these artists will perform at Las Vegas Sam Boyd Stadium on October 29 and 30. Tickets to Vegoose will go on sale Saturday at 10 AM PST.

An assortment of acts will also perform late-night shows throughout Sin Citys club circuit in the days leading up to Halloween. Sound Tribe Sector 9 is among the first acts to confirm a late-night Las Vegas gig during Vegoose. STS9 will perform at the House of Blues on October 29 before celebrating Halloween in San Francisco.