Elvis Costello will headline the Bumbershoot mainstage lineup on Sunday, Sept. 4. Costello, performing a special solo show, replaces Ani DiFranco, who canceled her summer tour this year.

Bumbershoot takes place Sept. 2-5 on the Seattle Center grounds. Tickets are available at www.bumbershoot.org and www.ticketmaster.com. Beginning Friday, tickets can be purchased at Starbucks stores.