Looking for something to do today? Agenda‘s got you covered.

The Randolph Street Market, one of the city’s best sources for fabulous antiques, reopens for the season. There will be a vinyl swap meet, food vendors, and a beer garden. The threads are vintage; the beer, fortunately, is not. Free entry if you wear a bonnet. Seriously.

Tom Krell, aka How to Dress Well, has gone from introvert to semipublic figure who drops “Call Me Maybe” into DJ sets. He performs tonight at Lincoln Hall; Reader contributor Miles Raymer says his new single is “dropping the ‘experimental outsider’ approach of his earlier work in favor of warm production and extroverted hooks that Trey Songz might covet.” Forest Swords opens.

Your apartment’s curated midcentury-modern aesthetic isn’t really complete until you’ve complemented it with a charming 1952 poster depicting the village of Gandria, on Lake Lugano in Switzerland. Lucky for you, the International Vintage Poster Fair, which ends today, features 25 international dealers hawking upwards of 10,000 vintage posters. Check it out at the Chicago Cultural Center.

For more on these events and others, check out the Reader‘s daily Agenda page.