They Might Be Giants In... Holidayland (sometimes referred to simply as Holidayland) is a holiday-themed EP released by American alternative rock band They Might Be Giants in November 6, 2001 under Restless Records. The recording consists of: "Santa Claus", a Sonics cover; "Santa's Beard", first released on Lincoln and later Then: The Earlier Years; "Feast of Lights" a song related to Hanukkah; "Careless Santa", from Mono Puff's album Unsupervised; and "O Tannenbaum" a song that was originally only limited addition.