The inevitable has finally occurred. According to the BBC and NME, Radiohead returned to the studio last week to begin work on the Nigel Godrich-produced, maybe pay-what-you-want-or-maybe-not-but-whatever-the-case-may-be-the-band-has-a-lot-of-ideas-planned followup to 2007′s In Rainbows. ETA? Dec. 21, 2012.