Wgtd's The Morning Show With Greg Berg

We speak with Dr. Samuel Jay Keyser, an emeritus member of the faculty at MIT and author of "Play it again, Sam: Repetition in the Arts." In this book, Professor Keyser explores how and why we experience pleasure and satisfaction when we encounter repetition in music, poetry, and visual arts. What exactly is going on in the brain? What is the nature of the pleasure we experience?