Wilco's new single "I Might" has gone on sale at this weekend's Solid Sound Fest (AKA Wilcopalooza) in North Adams, MA. The song's a taut stomper, with circular riffs and snaky organs highlighting an indelible chorus ("It's alright/ You won't set the kids on fire/ But I might"). The track is Tweedy & Co's first for their own label dBpm, ...