For the second year, Perry said, “Let there be Lolla.”

HEAR
Lollapalooza
What: Super-size music fest needs no introduction.
Why: Our picks: The Frames and Mates of State.
When: Fri.-Sun., 11 a.m.-10 p.m. (The Frames, Sun., 1:30 p.m.; Mates, Fri., 5 p.m.)
Where: Grant Park, 235 S. Columbus Dr. Tickets online at lollapalooza.com.

DRINK
Amino Vital
What: Beat the heat at the show with the amino acid-fueled, super-hydrating drink.
Why: You’re allowed to bring in two one-liter water bottles. Milk it.
When: Before beer goggles.
Where: Vitamin Shoppe, 2747 N. Clark St., at Diversey Pkwy. (773-244-8202).

DO
Of Montreal Lollapalooza After-Party
What: Athens band’s sugarcoated pop in a more intimate setting.
Why: You keep going, and going, and going.
When: Fri., 11 p.m.
Where: Schubas Tavern, 3159 N. Southport Ave., at Belmont Ave. (773-525-2508).

Bird Carnival
What: Alternative to Lolla features performance art, spoken word, installations, and live music to benefit feathered friends.
Why: How tweet it is.
When: Thurs., 5:30 p.m.-2 a.m.
Where: Logan Square Auditorium, 2539 N. Kedzie Ave., b/t Wrightwood Ave. & Altgeld St. Tickets at the door or make a donation online at birdcarnival.com.

BUY
TK Men
What: New guy’s boutique with a rock ’n’ roll vibe.  Pool table, 55-inch plasma, Xbox, and threads fit for a headliner.
Why: Owner Lindsay McKay styled Dave Navarro. (Hear that, Perry?)
When: Sun. & Mon., noon-6 p.m.; Tues.-Sat., 11 a.m.-8 p.m.
Where: 1909 W. North Ave., b/t Wolcott & Winchester Aves. (773-342-9800).