The link below will take you to "Lessons from Ray Bradbury", an interview with Sam Weller, Ray Bradbury biographer. The interview is an episode of the podcast, "Living from the Soul with Sam Torode":

https://www.youtube.com/watch?v=7h_WeFUwutc

The date was June of 2010, and the place was the Mystery and Imagination Bookshop in Glendale, California. The event was a signing of LISTEN TO THE ECHOES: THE RAY BRADBURY INTERVIEWS, by Sam Weller. The signers were Ray, Sam and musician Black Francis, who wrote the book's forward:

https://www.youtube.com/watch?v=DrWhgb-uaq8