EXPRESSION SESSION, with Kutmaster Spaz, more. 6-9:30 p.m. today, Hawaiian Waters Adventure Park; ages 13-18. 689-4182.

GUTTERMOUTH, with Corrupt Absolute. 8 p.m. today, Anna Bannana's. Also 6 p.m. Saturday. 21/older today, all ages Saturday. 946-5190.

"DARK SIDE OF TIME," pre-Halloween Party. And if there's a full moon, all the better. 9 p.m. today, Hula's Bar & Lei Stand. 923-0669.

HUSH BOUTIQUE NIGHTCLUB LOUNGE GRAND OPENING. 9 p.m.-4 a.m. today, Hush Boutique Nightclub Lounge. www.hushhawaii.com.

THE 2ND ANNUAL MALAMA WAHINE. Spacifics, DJ Kitty Lee, Cherry Blossom Cabaret, more. 9 p.m. today, thirtyninehotel; 21/older. 599-2552.

HALLOWEEN COSTUME PARTY FUNDRAISER, entertainment, raffles, silent auction, more. 6:30 p.m. Saturday, Gordon Biersch. 852-8991.

TE VAKA, 10-piece contemporary Pacific band from New Zealand. 7:30 p.m. Saturday, Pipeline Cafe. 550-8457, www.honoluluboxoffice.com.

DANCEHALL CITY, with roots, lovers rock, dancehall, reggae. 9 p.m.-2 a.m. Saturday, Indigo Eurasian Cuisine; 21/older. 537-4164.

ELEMENTS OF REGGAE, with Guidance, Micah-G, Lion Fiyah. 9 p.m.-2 a.m. Saturday, Loft Lounge and Gallery; 21/older. 688-8813.

BLACK SQUARE. The busy band will premiere three new songs. And the concert is free! 10 p.m. Saturday, Bar 35. 537-3535.

THIRTYNINEHOTEL FETE FOUR, fourth anniversary party, with DJs Eric Duncan. Mark Chittom. 10 p.m. Saturday, thirtyninehotel. 599-2552.

THE LAST SATURDAY SESSION, with Tempo Valley, DJ Fame and more. 10 p.m.-2 a.m. Saturday, E&O Trading Co. 591-9555.

MAHALOZ EVE, fundraiser for Hawaii Foodbank, with Kristian Lei, fashion show. 5-8 p.m. Sunday, E&O Trading Co. www.partyofsixhawaii.com.

DEMETRI MARTIN, comic and "The Daily Show With John Stewart" veteran. 8 p.m. Sunday, Pipeline Cafe. 877-750-4400, www.ticketmaster.com.

RALPHIE MAY, the real winner of "Last Comic Standing." 6 and 8:30 p.m. Wednesday, Pipeline Cafe. 877-750-4400, www.ticketmaster.com.

JUDY TENUTA, the comedic goddess of manslaves, with guest Kento. 7 p.m. Thursday, Pipeline Cafe. 877-750-4400, www.ticketmaster.com.

FRIENDS OF ADAM, blues, rock, soul. Part of KPOI's weekly "Sunset Rock" sessions. 9-11 p.m. Thursday, Dave and Buster's; 21/older. 589-2215.

HOTTER THAN HELL, the "official reincarnation of KISS," they say. 10 p.m. Thursday, Pipeline Cafe. 877-750-4400, www.ticketmaster.com.

ON THE TURNTABLES

ENDLESS PORTRAITS, a tribute to Neil Gaiman's Sandman comics, with DJs Casey and Nightfox. 9 p.m. Thursday, Mercury Bar. 537-3080.

Notable, new And not-so-new: DJs, bands and spaces

ALOHA FRIDAYS, hip-hop, house, dancehall. 9 p.m.-2 a.m. Fridays, Don Ho's Island Grill; 18/older. 528-0807, www.myspace.com/mattyliu.

THRASH, with DJ Eskae, Durtie Rice, Jami, presented by Vertical Junkies. 9 p.m.-2 a.m. Fridays, Loft Lounge and Gallery; 21/older. 688-8813.

FIRE! hip-hop and R&B with United DJs, hosted by Micah Banks. 9 p.m.-4 a.m. Fridays, Cirque Hawaii. 18/older. www.myspace.com/uniteddjs.

LAVISH, hip-hop, mashup, old-school, with DJs Idle, 720. 10 p.m.-2 a.m. Fridays, E&O Trading Co. 591-9555, www.myspace.com/doc_hidef808.

The Limelight, with two dance floors; hip-hop, R&B upstairs, '80s/'90s downstairs. 10 p.m.-4 a.m. Fridays, The Living Room. 395-2100.

MUSIC ON THE MOON, live music, DJs. That section of Ward Centre will be jumping. 10 p.m.-2 a.m. Fridays, Brew Moon; 21/older. 593-0088.

EMPIRE, DJs spin hip-hop, house, soul, funk, drum-n-bass. 9 p.m.-4 a.m. Saturdays, Lotus Soundbar; 21/older. www.myspace.com/doubleospot.

THE SURF SHACK, rock, reggae, pop — you know, surfer stuff. 10 p.m.-4 a.m. Saturdays, The Shack, Waikiki; 21/older. 921-2255.

TOTALLY '80s, nee "Acid Wash," with DJs G-Spot, Nocturna, Quiksilva, Vegas Mike. 9 p.m.-2 a.m. Wednesdays, Loft; 21/older. 688-8813.

MIC:CTRL, techno and house, with Willis Haltom, Zane, Ernie K., Fathom. 9 p.m.-4 a.m. Wednesdays, Lotus Soundbar. 924-1688.

Mixtape, '70s-'90s "golden age" hip-hop, soul, with DJ 45Revolver. 9:30 p.m. Wednesdays, thirtyninehotel; 21/older. 429-1717.

PRIVILEGE, with DJs, urban lifestyle trendy dress code. 10:30 p.m.-4 a.m. Wednesdays, Level 4, Royal Hawaiian Center. 931-6200.

Bamboo, with music by DJ Betty. Sushi specials promised, too. 9 p.m.-2 a.m. Thursdays, King Street Cafe, 1380 S. King St.; 21/older.

SWAMPA ZZ, emo-tronic-dirt-hop party. Downtown is where it's at. 10 p.m. Thursdays, Bar 35 (formerly at Indigo). 537-3535.