OK Goes its own way

For three weeks now, OK Go has been on set in Budapest’s largest train station. The temperature in this wing is somewhere around 45 degrees, and much of the Hungarian filming crew has long ago gone numb. Against Keleti station’s baroque backdrop of frescos and pink marble pillars, the band has been working with roboticists and production designers to build one of its most complex music videos ever for a new song called “Love.” The video’s 140-foot-long contraption is built from 29...