If you've tried our easy trivia quiz and found it, well, too easy, here's a tricker challenge – ten questions designed to test the knowledge of even the biggest Beatles fan!

Across The Universe was originally on a fundraising album for the World Wildlife Fund. Which label released it?

The album was put together by Spike Milligan, and also featured recordings by The Hollies, Lulu, Cliff Richard, and Bruce Forsyth.

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