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We don’t know whether Alanis read or cared about the Greeks, but she’s made hundreds of mentions of Swiss psychoanalyst Carl Jung and how his pioneering theories of analytical psychology deeply influence her songwriting.

Initially a protege of Sigmund Freud, Jung went his own way in the 1910s and founded the field of analytical psychology.

Jung was the Swiss psychiatrist who founded the field of analytical psychology.

His course became a book - Jung's Map Of The Soul - which is now recognised as one of the best introductions to the concepts of analytical psychology, reprinted 15 times in English, and translated into dozens of languages.

"A couple of months ago, a Japanese student told me he'd discovered that the BTS website was recommending my book," he tells the BBC from International School of Analytical Psychology in Zurich.