Xmas in Frisko, SomaFM's annual "eclectic and irreverent" holiday radio stream, is here once again. The playlist includes "Tweety's Twistmas Twoubles," wecowded by Mel Blanc; Tiny Tim's falsetto "White Christmas;" "Night Before Christmas" with Doggs Snoop and Nate; and Louis Armstrong's "Zat You Santa Claus."