HOLLYWOOD ROCK: If you don't have tickets to catch actor Jared Leto's band, 30 Seconds to Mars, perform at the Aragon Ballroom tonight, hit the after-party at Spybar. Leto's brother Shannon, who plays drums in the band, and Mr. Becks will perform live at the late-night set, which will go down well after midnight. Rest up now. 10 p.m.-4 a.m., 646 N. Franklin, Tickets $12-$20, RSVP@spybarchicago.com
UNCLE JAM: Toast Tax Day or raise a finger of your choice at SUB 51, HUB 51's lower-level club. Enjoy half-price bottles all night long while dancing your sorrows away. Or if you were lucky enough to get a refund, pour some out for your less-lucky pals. 9 p.m., 51 West Hubbard St
MIX IT UP: Professional group Network After Work hosts an event at Privet tonight. Color-Coded name tags are provided to help guests navigate through the event and complimentary vodka cocktails and light appetizers are offered during the first hour. Professionals from all career levels and industries interested in expanding their professional network and creating new business opportunities are encouraged to attend. 6-9 pm, 937 N Rush St., Tickets $10-$20.
MUSIC & MOVIES: The 3rd annual Chicago International Movies & Music Festival kicks off tonight at the Wicker Park Arts Center with the world premiere of "Fix: The Ministry Movie." The festival runs through Sunday at the Chicago Cultural Center and includes additional special events, appearances and live performances. Seventeen movies will have world premieres at this year's CIMMfest. 2215 W. North Ave. , $8-$10 for individual events. Full Schedule