Go underground, go wild, just go out.  It’s your Guide to the Weekend.

Friday

Hip Hop Karaoke Brooklyn Regional Championship

9 pm, Southpaw, 125 5th Avenue between St. John’s and Sterling Place, Park Slope

$10

Girls and Boys: The Cool Kids – electronic dance music night, with a live set by retro rappers The Cool Kids, rsvp online for cheap admission

10 pm, Webster Hall, 125 East 25th St

$25 on the door, $15 advance, $1 with rsvp at gbh.tv

Saturday

Canstruction – bring canned food to donate to this unique charity event. Donations will be used to create large scale public installations, which at the end of the event will be donated to local food banks for distribution.

7 am – 11 pm, World Financial Center, 220 Vesey St at West St

FREE

David Hockney Paintings 2006-2009 – the first exhibition of the artist’s new work in New York for 12 years, these new oils are split between two locations

10 – 6 Pace Wildenstein, 32 East 57th St and 534 West 25th St

FREE

Sunday

Desire Caught By the Tail – part of the performance art Biennale Performa 09, a ‘darkly comic’ production of Picasso’s play about the Nazi occupation of Paris

7 pm, X-Initiative, 548 West 22nd St between 10th and 11th Avenue

FREE

Big Old Brooklyn Party – celebration of New York’s first Independent Bookstore Week kicks off at several Brooklyn locations, including the newly opened Greenpoint

2 -4, Freebird Books, 123 Columbia St, between DeGraw and Kane St, Cobble Hill

FREE