You're a Mean One, Mr. Grinch of the special, it is often mistakenly attributed to Boris Karloff, who served as narrator and the voice of the Grinch in the special but who himself could not sing. Until Ravenscroft was publicly credited, Tennessee Ernie Ford was also speculated to be the voice behind the song. Mainstream and pop acts have covered the song, usually for holiday-themed albums. Jim Carrey, as the Grinch, sang a slightly condensed version of the song in the 2000 live action film adaptation, "Dr. Seuss' How the Grinch Stole Christmas", with 1940s style big band music by James Horner. A version by Bob
How the Grinch Stole Christmas (2000 film) of his trailer, wanting to quit the film. The production brought in a CIA operative who instructed agents how to endure extreme torture techniques to coach Carrey to remain calm during the process. The process was later refined so that it took only two and a half hours in the morning getting in, and one hour in the evening to get out. In total, Carrey spent 92 days in the Grinch make-up, and became a "Zen Master" while sitting in the make-up chair. The actors who played the Whos were a large task for Baker and his crew, which made