MENTAL FLOSS TRIVIA: According to a new book, this legendary rock singer set up a retirement pension for himself in his 20s because he thought the idea of rock stars over 60 still performing was, quote, “ridiculous”!

ANSWER:  Mick Jagger of the Rolling Stones –  who just turned 76 last Friday – and is out on the Stones’ 2019 “No Filter” Tour!

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