Seth Rogovoy in conversation with David Hajdu, author of the brand-new The Uncanny Muse: Music, Art, and Machines from Automata to AI, as well as Positively 4th Street: The Lives and Times of Joan Baez, Bob Dylan, Mimi Baez Fariña and Richard Fariña and Lush Life: A Biography of Billy Strayhorn, as part of Spencertown [N.Y.] Academy’s Festival of Books.