Listen to Zat You, Santa Claus? online. Zat You, Santa Claus? is an English language song and is sung by Louis Armstrong. Zat You, Santa Claus?, from the album 113 Beautiful Christmas Songs of Frank Sinatra, Elvis Presley, Luis Armstrong, Bing Crosby and Other Artists, was released in the year 2011. The duration of the song is 2:40. Download English songs online from JioSaavn.