The concert's promoters just released a number of $20 tickets for the alternative rock star's show, set to take place at 7:30 p.m. June 20.

Blues/rock duo the Black Keys and emo heartbreaker Dashboard Confessional will open.

In addition to the $20 seats, $42.50 tickets are still available through Ticketmaster Northwest at 206-628-0888 or www.ticketmaster.com.