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: "What Christmas song reached number 1 in 1974 by the the English glam rock band Mud,?" whose answer is Lonely This Christmas.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Christmas song 1974 Mud
Useful Output:

Doc 1: Melancholic Elvis pastiche 'Lonely This Christmas', by glam rockers Mud, became the UK's Christmas No. 1 hit on 21st December, 1974, beating off
Doc 2: Lonely This Christmas was Christmas number one for 1974 and is often noted for a particularly memorable performance on Top of the Pops – which,
Doc 3: Brand new lyric video for the Christmas classic Mud – Lonely This Christmas, by Laura Jayne Hodkin. Released back in 1974, the single from
Doc 4: Lonely This Christmas - Mud [Rock] (1974). video. Play. Upvote 3. Downvote 0 Go to comments. Share. Comments Section. Snoo Wave. Be the first to
Doc 5: A humorous look at Christmas isolation, Mud's Lonely This Christmas has become a go-to staple for the broken-hearted during the holidays.