San Francisco – If you're going, be sure to wear flowers in your hair. To reassure the local officials in Monterey, John wrote the song as the anthem for the Monterey Pop Festival, admonishing the youth to come in peace; his high school buddy and former bandmate with the Journeymen, Scott McKenzie, sang it, and it became a smash hit. It also gave rise to the labeling of baby boomers as Flower Children and spawned the term "flower power". The vast migration of young people to the San Francisco area that summer resulted in what became known as the Summer of Love. Scott and John would remain friends all of their lives.