It was an essential dimension of Bernstein’s personality to be actively involved in public engagement with (usually) classical music, bringing it to the masses with an accessible approach. This chapter explores how he used writing and broadcasting to communicate his own passion for music, as well as his insights as a composer, conductor and musician. Talking about ‘what makes music tick’ was as much at the heart of his mission as composition and performance were, and whether talking about Beethoven and Bach on primetime television in Omnibus or publishing his public lectures as bestselling books, Bernstein’s efforts in music appreciation helped to solidify his image as perhaps America’s most recognizable and popular classical musician.