For six years, I have found myself randomly wondering, “Is this the year Phoebe Bridgers finally puts out a new album?” The answer has always been a resounding “no.” That changed on May 8, when mysterious flyers appeared in Roswell, New Mexico, announcing a show that same day at the Liberty, a venue that holds a few hundred people. Equally small pop-ups announced by flyer have followed in places ranging from Lubbock, Texas, to Macon, Georgia. On Thursday, another pop-up—also announced via flyer—is happening at a decidedly bigger venue: Madison Square Garden, where Tidal is a sponsor and tickets are $1. Yet despite her run of nearly 20 shows, I haven’t heard a single note of new music. No recording is allowed, with concertgoers required to put their phones in Yondr pouches. The dearth of information has turned fans into investigators trying to determine where the next show will be and if—or when—a new album is coming. When there’s a “firehose of music and content, scarcity becomes a powerful tool,” says Jesse Sachs, a culture …