Stevie Nicks is scheduled to be on Afternoons with Denis Walter on Melbourne, Australia radio station 3AW693 News Talk this Friday July 1st at about 12:45pm (Austrlian Time).
You'll have to figure out the time difference depending on where you are if you want to listen live. For instance if you are in North America and you are central, the show will air between 8pm - 12pm Thursday evening. It's about a 15 hour difference.
Link to the website to listen live.