The facility, on the site of the former Meigs Field, will add 22,000 lawn seats and 600 fixed seats, for total capacity of 30,000.
Buffett is expected to play June 29 and Phish, according to their Web site, on July 19-21. Additional Northerly Island shows include Dispatch on June 1,
According to Tribune reporter Bridget Doyle, the City Plan Commission approved the expanded seating Thursday, which is expected to double Park District revenue in pavilion ticket sales to $2 million this summer. The money would be funneled into park nature programs.