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: "Which actor who appeared in The Wesley's Mysterious File has performed in more than 160 films while maintaining a successful singing career?" whose answer is Andy Lau.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Christopher Lee filmography and singing career
Useful Output:

Doc 1: He is also in Charlie and the Chocolate Factory, The Golden Compass, The Colour of Magic (as the voice of DEATH) and Alice in Wonderland.
Doc 2: Lee also recorded four solo albums, including Devils, Rogues & Other Villains (1998), Revelation (2006), Charlemagne: By the Sword and the Cross
Doc 3: Christopher Lee released his first full-on metal album when he was in his nineties and kept putting out music until shortly before his death.
Doc 4: In his nineties, Lee joined a heavy metal band, singing on numerous records. Aged 91, Lee would release a concept album about the rise and fall
Doc 5: One hundred years after his birth, we go looking for the seeds of Christopher Lee's great career in the 30 films he made before Hammer made him a megastar.