( Nada Surf plays the Bluebird on Saturday, June 7, with the Republic Tigers .) MP3: Nada Surf, "See These Bones" Matthew Caws is an excellent multi-tasker. The 40-year-old Nada Surf frontman sings while playing guitar, plays in a touring band while managing an almost normal life in Brooklyn -- and conducts phone interviews with Midwestern alt-weekly papers while cleaning his apartment. ''I'm doing housework, so I'll be moving around and I might run out of breath,'' he warns. I'm not too concerned; if Nada Surf's decade-long career, bouncing back from one-hit wonder adversity to become one of today's most-loved indie-pop bands hasn't worn Caws out, making a few beds isn't going to put him over the top. Ryan Wasoba: You guys have kind of run the gamut in St. Louis as far as shows you've played. You're playing the Bluebird this time around, and then last time it was a college show. Then the time before that, you played at Harrah's Casino. Matthew Caws :Haha, yeah. That was a little bit unusual. So you've had a weird history here, but you've kind of just had a weird career in general. I think it seems weirder from the outside. For us, the shows have changed along the way -- and once in a while we have to sit down and have a conversation about, ''Okay, what are we doing? Is this wise?'' Besides from that, it just is what it is. Things have gotten a lot better in the last few years, which is great. I guess that our career seems weird, ...