While “Silver Bells” may be the definitive mood-setter for Christmastime in the city, here are a couple cool contrarian voices: Bob Dorough, singing lyrics he composed for Miles Davis’s contribution to Columbia’s Jingle Bell Jazz (1962) — great mp3s at the link! — and Oscar’s show-stealer from Christmas Eve on Sesame Street (1978), in which we have our suspicions confirmed that Mr. Hooper is Jewish: