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! (TV special) were credited at the time. On December 18, 1966, MGM released a soundtrack LP in conjunction with the television special. CD releases include albums produced by Island (1995) and Mercury Records. In the recorded version, Boris Karloff does all voices including Cindy Lou Who. The song "You're a Mean One, Mr. Grinch", which comically describes the level of the Grinch's despicable nature, includes all verses with their original rhyming lyrics and the isolated song tracks have different durations due to being re-recorded. On October 5, 1999, Rhino Entertainment released a new CD soundtrack (which included the soundtrack for another Dr.