At the start of the year, OK Go were an obscure rock band; a month after “Here It Goes Again” dropped, they were performing their treadmill routine on the VMAs. In truth, the band was always ...

The big one, of course, was “Here It Goes Again,” the one with the treadmills. That song became a hit on the strength of its video, and if you say the words “OK Go” to virtually anyone who ...

(“Here It Goes Again,” a treadmill ballet released in 2006, won a Grammy Award for best short-form video.) OK Go, formed in Chicago in 1998 and now based in Los Angeles, features Tim Nordwind ...