text:  Well, everybody knows that song, Dear Prudence, written by John Lennon mostly, and written for Prudence Farrow, who was Mia Farrow's sister, and she was with Lennon, McCartney, and the rest of the Beatles at the ashram of Maharishi Mahesh Yogi back in 1967. Apparently, she was so fanatical that she would not come out of her room.