You can hear Opiou's glitchy soundscapes -- all the way from Melbourne, Australia -- tonight at Cervantes Masterpiece Ballroom; supporting will be Mono/Poly, Ras G, Mike Slott and Dailon. (8 p.m., all ages, $20)
And the Church is mixing things up tonight by hosting Sexy Bass Lines, the official Skylab 2011 pre-party; you can win free tickets to the Saturday massive, plus hear mixes by Proteje, DJ FortyTwo, Addikt, Brandon Scott vs. X-Static and Hobo Bob. (9 p.m., 18+)
Beta presents Antiserum + Sigma with Junglebums on the main floor and Emote Music featuring Attentat and Benjamin Shreves upstairs. Bass for the win! (9 p.m., 18+, $5-$15)
The biggest party in town Saturday night will no doubt be Skylab at the Denver Coliseum; Fedde le Grand, Avicii, Cazzette and too many more to list, including local favorites Ishe, Dragon and Trajikk. Party till the sun comes up! (7 p.m., all ages, $35 and up)
The underground scene is banding together to give local impresario Hoang a send-off as he leaves to travel around Vietnam, Cambodia and Thailand. The Blend at MiniBar Cherry Creek will feature Ejay, Khalib and, of course, Hoang -- and MiniBar is offering a $20 all-you-can-drink special. (9 p.m., 21+, no cover)
Beta presents the gleeful, clubby LA Riots with Cognition + T-Rav and Marshall Monica on Saturday night. (8 p.m., 18+, $10)