http://TheSparkAndTheArt.com/150 - I've been listening to the book This is Your Brain on Music - Dr. Daniel J. Levitin. It's about the science behind what happens to your brain when you listen to music and what makes it such a powerful thing in the lives of humans.
The Spark & The Art
The Spark & The Art Creativity Podcast ran for 155 episodes and talked about the creative life: Interviews with writers, musicians, filmmakers and more.
The show is on permanent hiatus but I still talk about creativity obsessively and you can find me at: