Have you ever been to a concert where everyone in the audience is essentially there for one song? Well, this is one of them. Capital Cities—the same pop duo that created the hit single "Safe and Sound" and 12 other songs that sound like it—will be serving up the chirpy commercial electro-pop of Perez Hilton–endorsed 2014 LP In a Tidal Wave of Mystery. The sanguine and sanitized Passion Pit clones are coming off a slot opening for Katy Perry. Cherub and Night Terrors of 1927 open.