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: "who sang the original version of this christmas?" whose answer is American soul musician Donny Hathaway.
Each document should contain about 30 words, and these documents should contain useful information.

Query: "This Christmas" original singer
Useful Output:

Doc 1: Good Morning America! Oh what fun it was to sing “This Christmas” with the lovely Aloe Blacc. Thank you so much to Good Morning America - my
Doc 2: Donny Hathaway - 'This Christmas' with lyrics - released in 1971! Lyrics: Hang all the mistletoe I'm gonna get to know you better This
Doc 3:  songs features material by Warner Music Group artists  Facebook / donnyhathawayofficial Instagram / donnyhathaway This Christmas Lyrics
Doc 4: The Voice Coach Michael Bublé and Playoff Mentor Carly Pearce are making holiday music magic as a duo on the new song “Maybe This Christmas.
Doc 5: Since it first hung all the mistletoe 50 years ago, Donny Hathaway's “This Christmas” has been the African-American community's own personal holiday anthem.