Many assume that a fierce rivalry with Michael Jackson kept His Royal Badness from participating in the star-studded charity single — but the truth is more complicated.

Purple Rain climaxes with a seven-minute performance ... more music. What was Prince thinking when he held it in his hands? What strange, metaphysical currencies might he have been channeling?

If you’re thinking of musicians from Minnesota, Prince and Bob Dylan are probably ... beyond “Girl from the North Country” and “Purple Rain” at other choice Minnesota tunes.