People move on. As cold as it seems, it's only natural. For many, the tragic slaying of five Pierce County police officers in the line of duty has already faded into the back of their clogged memories, having been replaced by a more recent tragedy (perhaps Haiti), or a more recent hit of pop culture brain crack (like American Idol).  But the wounds are still fresh in many places, and there are still people trying to help, including bands like the always throttling Beautiful Mothers, Zook, At:1, Nothing You'd Like and Portland's My Life in Black and White. On Saturday at Hell's Kitchen, those bands and many of their supporters will gather for an event being billed as "Stop the Madness, Increase the Peace" - a benefit for the Lakewood Police Department and the families of the fallen officers. Think heavy rock for a good cause. Then think about showing up.

[Hell's Kitchen, Beautiful Mothers, At:1, Zook, Nothing You'd Like, My Life in Black and White, 8 p.m., $5 minimum donation, 928 Pacific Ave., Tacoma, hellskitchenonline.com]