Foo Fighters are up to something. On their website, the band has just unveiled some sort of mysterious countdown clock, one that has about 24 days left on it as I’m writing this. Doing the math, this clock will run down 11/22, right around midnight. That’s a Saturday night. The band has talked about making a second version of Sonic Highways, the rock-travelogue album and TV season that they put together last year, so maybe that’s what this is. They’ve also recently recorded five songs in Austin with help from Ben Kweller, but I have a hard time imagining that they’re counting down to a Ben Kweller Sessions EP. So: What do you think they’ve got going on?