Perry Farrell, how we thank ye. Somebody, pass us a Lolly.

HEAR
Lollapalooza 2005
What: Two-day fest includes Kaiser Chiefs, OK Go, and Kidzapalooza’s Gwendolyn & the Good Time Gang for the tykes.
Why: Need you ask?
When: Kaiser Chiefs, Sat. at 2:30 p.m.; OK Go, Sun. at 11:45 a.m.; Gwendolyn & the Good Time Gang, Sat., 3 p.m. & Sun., 2 p.m.
Where: Lower Hutchinson Field in Grant Park, 801 S. Columbus Dr., at Congress Dr. (866-915-6552).

GO
Cansapalooza
What: Listening party for Lollapalooza tracks.
Why: Billy Idol sounds better from a barstool.
When: Sun., 10 a.m.-2 a.m.
Where: Cans Bar and Canteen, 1640 N. Damen Ave., at Concord Pl. (773-227-2277).

SEE
Lolla-play-looza
What: Band Geeks: a Half Time Musical
Why: Drum majors, dweebs, and underdogs unite!
When: Fri. & Sat., 10:45 p.m. Thru Aug. 13.
Where: Live Bait Theater, 3914 N. Clark St., b/t Grace St. & Irving Park Rd. (773-935-2747).

DO
Lollapa-lazy
What: Rickshaw rides to Millennium Park.
Why: Save your energy for dancing.
When: All day, every day (reserve an hour ahead).
Where: Depart from The Fairmont, 200 N. Columbus Dr., b/t Wacker Dr. & Randolph St. (312-565-6651).

Smarty-pants-ooza
What: Murder City: the Misunderstood and Bloody History of 1920s Chicago.
Why: Ira Glass hosts. Enough said.
When: Sat. at 7:30 p.m.
Where: Joan W. and Irving B. Harris Theater for Music and Dance, 205 E. Randolph Dr., in Millennium Park (312-334-7777).