Question: What kind of voice did the vocalist for You're a Mean One, Mr. Grinch record for Jolly Holiday?

Context paragraphs:
You're a Mean One, Mr. Grinch: "You're a Mean One, Mr. Grinch" is a children's Christmas song that was originally written and composed for the 1966 cartoon special "How the Grinch Stole Christmas! "

One size fits all: "One size fits all" is a description for a product that would fit in all instances.  The term has been extended to mean one style or procedure would fit in all related applications.  It is an alternative for "Not everyone fits the mold

Thurl Ravenscroft: Thurl Arthur Ravenscroft ( ; February 6, 1914May 22, 2005) was an American voice actor and bass singer known as the booming voice behind Tony the Tiger's "They're grrreat!"  in Kellogg's Frosted Flakes television commercials for more than five decades.  Ravenscroft was also known, albeit uncredited, as the vocalist for the song "You're a Mean One, Mr. Grinch" from the classic Christmas television special, Dr. Seuss' "How the Grinch Stole Christmas! "

Dog-whistle politics: Dog-whistle politics is political messaging employing coded language that appears to mean one thing to the general population but has an additional, different or more specific resonance for a targeted subgroup.  The phrase is often used as a pejorative because of the inherently deceptive nature of the practice and because the dog-whistle messages are frequently distasteful to the general populace.  The analogy is to a dog whistle, whose high-frequency whistle is heard by dogs but inaudible to humans.

Council of Benevento: The Council of Benevento may mean one of a number of Councils, or more accurately in some cases synods, of the Roman Catholic Church.

Jolly Holiday: "Jolly Holiday" is a song from Walt Disney's film "Mary Poppins".  It was composed by Richard M. Sherman and Robert B. Sherman.  The song is sung in the film by Bert (Dick Van Dyke) and Mary (Julie Andrews) in the pastel fantasy sequence before reaching the carousel.  Oscar-winning music arranger Irwin Kostal provided the much lauded orchestration.  The singing animal voices were provided by Bill Lee, Ginny Tyler, Paul Frees, Marc Breaux, Marni Nixon, and Thurl Ravenscroft.

Sigma function: In mathematics, by sigma function one can mean one of the following:

General Confederation of Labour: General Confederation of Labour can mean one of the following labor unions:

One More Drifter in the Snow: One More Drifter in the Snow is the sixth album and first Christmas album by Aimee Mann, released by SuperEgo Records in the United States on October 31, 2006 (see 2006 in music).  It was produced by Paul Bryan and comprises covers of "standard great Christmas classics" and two original compositions: "Christmastime", written by Mann's husband Michael Penn, and "Calling on Mary".  Grant-Lee Phillips sings with her on the track "You're a Mean One, Mr. Grinch".

Scofflaw: Scofflaw is a noun coined during the Prohibition era to mean a person who drinks illegally.  It is a compound of the words "scoff" and "law".  Its original meaning was someone who mocks or ridicules anti-drinking laws, but has extended to mean one who flouts any law, especially those difficult to enforce, and particularly traffic laws.

Supporting paragraphs: Jolly Holiday Thurl Ravenscroft
Answer: singing animal voices