Some unlikely artists have produced holiday albums this year, including Bob Dylan and metal god Rob Halford of Judas Priest. But Tori Amos--the minister's daughter who titled a recent album "Abnormally Attracted to Sin"--might be the most surprising candidate. The singer and pianist talks about overhauling carols on the album "Midwinter Graces,"  and plays live in WNYC's The Greene Space.