Bassheads, tonight's your night: Dubstep king 12th Planet will test Beta's world-class sound system with his wobbly basslines and whompy beats. In the Beatport Lounge, you can catch Berlin's Cassy (with an after-hours party running well into the early hours of the morning); and other locales are hosting Ministry of Sound Australia superstar Anna Lunoe and Detroit's Punisher, rounding out a smorgasbord of all the electronic sub-genres you could possibly want in a weekend. Keep reading for details: The main room of Beta will be whomp-heavy with the legendary 12th Planet, plus local dubstep favorites Dirt Monkey and Sureshot; in the Beatport Lounge, you'll hear Cassy, Patty Hertz and Maya (and AAMP will hold down the after-party). (9 p.m., 18+, $15)
Denver's favorite Friday-night dance party, Lipgloss, is bringing Ministry of Sound Australia's Anna Lunoe (the first female DJ to curate a Ministry of Sound mix CD) to La Rumba -- and they're not even raising the cover charge. (9 p.m., 21+, free before 10 p.m., $5 after)
GraveRavers presents a bar rave at the Catacombs in Boulder, with Jantsen, the live PA debut of KITES (Byron/Soundbionics) and DJ Cola. (Wear white and get in on the blacklight action. (10 p.m., 21+)
Detroit's Punisher brings the sound she's been honing since the tender age of fifteen to 2200 on Saturday, along with Seth Nichols, Greg Eversoul, John Templeton, Kevin Callison and Rob Gray. (How's this for a good deal: If you were born in December, the door fee will be waived just for you. Happy freaking birthday.) (9 p.m., 21+, $10)
If you're just looking for a place to cut loose and dance on Saturday, then look no further than Beta, which is hosting dance-anthem impresarios AN21 and Max Vangeli with Dragon and Tommy Michael. (9 p.m., 18+, $10)
Get underground at the Lotus Dream Emporium's Dance Your Cares Away house party with Ejay, Khalib, Dylan, Ivy and Luke Jonathan (say happy birthday!), with live vocals by Chris Fleming. (21+, free before 9 p.m., $5 after)
Porn & Chicken returns to Bender's, so get ready to eat some chicken and dance (dress in your best Nightmare Before Christmas outfit); Dom Brown will host, and the whole Chicago crew (DJs, bartender, go-go dancer) are flying in for the event. (10 p.m., 21+, $5, free fried chicken till the 250 pounds are gone)
Altered Egos will spin progressive and electro-house on Saturday at Vinyl, with DJ Danny, DJ True and Dave Peacock rounding out the other three floors. (9 p.m., 18+)
Break Heart at Lumonics is bringing in Ishe, Hero, B Funky, Hazy Meadow and Brandon Scott to provide a sonic backdrop to its gorgeous light sculptures on Saturday. (9 p.m., $10)
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And Cervantes' hosts Re:Creation on Saturday night with Starkey, ill.Gates, NastyNasty, R/D and Seied. (9 p.m., all ages, $18)