Will Ferrell visited Letterman to promote the cinematic juggernaut known as Anchorman 2 (as if somehow we didn’t know it was happening). And yet? When he gets together with the alleged Vienna Boys Choir to sing “Christmas Time is Here,” all commercial transgressions are forgiven. Watch.

Bang bang, choo-choo train, let me see you shake that thang. Wm. Steven Humphrey is the editor-in-chief of the Portland Mercury and has held the job since 2000. (So don’t get any funny ideas.)