Mike Myers has been trying to persuade Shep Gordon to let him tell his story for over 20 years, having first encountered him on the set of Wayne's World (1992).
Although quite a colorful, larger-than-life character, Shep Gordon had real reservations about his life being chronicled on film and took a long time to be persuaded that such a move would be a good idea. His affection for Mike Myers won him over.