You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when was it's beginning to look alot like christmas written?" whose answer is 1951.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was it's beginning to look alot like christmas written
Useful Output:

Doc 1: Date, Title, Attributes, Artist, Length. recordings. 1951-09-10, It's Beginning to Look a Lot Like Christmas · Perry Como & The Fontane
Doc 2: The first recorded version of It's Beginning To Look A Lot Like Christmas was made by the Italian American crooner Perry Como, in 1951, and was
Doc 3: "It's Beginning To Look A Lot Like Christmas" is a Christmas song written in 1951 by Meredith Willson. The song was originally titled "It's
Doc 4: Post-War Festivity: The song was written in the early 1950s, a time when America was experiencing a post-World War II economic boom. This era
Doc 5: I have a copy of The Real Christmas Book and I'm looking at Meredith Willson's "It's Beginning to Look a Lot Like Christmas.".