On January 14, 1967, the outdoor Human Be-In organized by Michael Bowen helped to popularize hippie culture across the United States, with 20,000 hippies gathering in San Francisco's Golden Gate Park. On March 26, Lou Reed, Edie Sedgwick and 10,000 hippies came together in Manhattan for the Central Park Be-In on Easter Sunday.– – – </ref> The Monterey Pop Festival from June 16 to June 18 introduced the rock music of the counterculture to a wide audience and marked the start of the "Summer of Love". Scott McKenzie's rendition of John Phillips' song, "San Francisco", became a hit in the United States and Europe. The lyrics, "If you're going to San Francisco, be sure to wear some flowers in your hair", inspired thousands of young people from all over the world to travel to San Francisco, sometimes wearing flowers in their hair and distributing flowers to passersby, earning them the name, "Flower Children". Bands like the Grateful Dead, Big Brother and the Holding Company (with Janis Joplin), and Jefferson Airplane lived in the Haight.