Summer music preview

Summer concert preview: Service fees and sandals, hooray! Regina Spektor gets Far out: The Russian pop pianist ponders the cosmos on her new album. Schubas and Double Door anniversaries: Workers at the two venerable institutions share juicy stories. Summer albums: We guess whether bands’ new releases will help them or hurt them. Wilco (the album): We spend an afternoon with Jeff Tweedy and co. to hear their new album. Web exclusive: Wilco (the history): A chronological look at the ups-and-downs of Chicago's very own Wilco.