This image was lost some time after publication.

Friday
 · Music round-up: Trans Am at the Troubadour; Oliver Future and Gliss at the Viper Room; Steel Train with Wounded
Cougar at the Echo.
· Baseball iron man Cal Ripken, Jr, whose record of 2,632 consecutive games will never be equaled by the current generation of pussified, pampered, and steroid-bloated stars, signs his new book, Get In the Game: 8 Principles of Perseverance That Make the Difference, at Vroman's Bookstore.
Saturday
 · Do your part to help settle a decades-old war between those who cut down our trees and those who navigate Space in adult undergarments at the Lumberjacks vs. Astronauts Smack-Down, a cellphone scavenger hunt through Griffith Park.
· More music: Art Brut at the Troubadour; Klaxons at Echoplex; Ice Cube at the House of Blues; Jewel at Spaceland.
· Back to Griffith Park for the First Annual Griffith Park Environmental Film Festival, which features new green cinema staples like An Inconvenient Truth and Who Killed the Electric Car? [via Cheapskatin' LA]
Sunday
 · This Sunday, The Brentwood Spring Art Show celebrates its 20th year of music, food, art, and rich people wandering around to sample music, food, and art.
· The "World's Largest Art Colony" invites the city over to wander through its seemingly endless studios at the Brewery Artwalk, its semiannual open house.