Joseph Lanza, an author and history expert on popular music, and Julian Treasure, a sound communication specialist, dive into the intriguing world of Muzak. They explore the origins of 'elevator music' and its evolution, revealing how it once eased elevator anxieties and shaped public spaces. The duo discusses Muzak's scientific approach to sound design, its surprising historical impact, and how bad sound choices can hurt environments. Julian also emphasizes the psychological effects of music on behavior and performance, highlighting the importance of conscious sound in our lives.