There’s just something about an outdoor concert in the summer — the sounds, the stars, the opportunity to assemble a righteous picnic. And July is the peak month to savor these shows across Chicago, with so much on offer. Taste of Chicago returns this week with a five-day lineup, bringing even more acts to a densely packed Downtown lineup across stages. Millennium Park and Ravinia are both in full swing, as are stages at Salt Shed and Fitzgeralds.