Lindsey Stirling performs at Lollapalooza in Grant Park on Saturday, July 31, 2016, in Chicago.
Lindsey Stirling performs at Lollapalooza in Grant Park on Saturday, July 31, 2016, in Chicago. Rob Grabowski Rob Grabowski/Invision/AP
Lindsey Stirling performs at Lollapalooza in Grant Park on Saturday, July 31, 2016, in Chicago. Rob Grabowski Rob Grabowski/Invision/AP