AdvertisementThe All Songs Considered Holiday Spectacular, 2015December 21, 2015Robin HiltonBob BoilenfacebookEmailBob and Robin take a Dickensian journey in this year's holiday music special, with visits from some old friends, including Carrie Brownstein, Dan Auerbach, Aimee Mann and Ted Leo, Ben Folds and more. (Mito Habe-Evans)