Listen to Zat You Santa Claus (From "A Christmas Story") online. Zat You Santa Claus (From "A Christmas Story") is an English language song and is sung by Louis Armstrong. Zat You Santa Claus (From "A Christmas Story"), from the album It's a Wonderful Life - The Christmas Movie Soundtrack, was released in the year 2015. The duration of the song is 2:57. Download English songs online from JioSaavn.