Good morning, Chicago. Gear up, music fans, Lollapalooza begins when the gates open at 11 a.m. today. From what to bring to a “secret” entrance, here are 10 tips to know before you go. Having trouble deciding between acts? See music recommendations from critic Britt Julious. Here are the top stories you need to know to start your day. Subscribe to more newsletters | Puzzles & Games | Today’s .