Shut down the block this Saturday, Oct. 31 with Tucson's first ever downtown Halloween block party. Congress St, Halloween Block Party will feature three stages on three different downtown blocks so you can dance the night away under the light of the moon. Headliners include superstar DJ's such as 3lau, Morgan Page and LA Ley Retour along with dozens of local live bands and your favorite Tucson-area DJ's. See the full line-up, get more information and snag your tickets before they're gone at relentlessbeats.com. Tickets start at $28.