Roger Wilco! We’ve received the transmission that, on November 17, two new collections will celebrate the 20th anniversary of Chicago alt-rock band Wilco in high style! Nonesuch Records will issue Alpha Mike Foxtrot, a new box set (4 CDs, 4 LPs or digital) of rare studio and live recordings culled from the band’s archives. And on that same date, the label will offer What’s Your 20, the first-ever compendium of Wilco’s previously released studio recordings, on 2 CDs or digital. Formed from