"It begins with a heartbeat. Released in 1973, The Dark Side of the Moonwas Pink  Floyd's eighth studio album. It would become one of the best-selling albums of all time, and its iconic cover image still hangs in college dormitories everywhere."

"The record turned 40 this week. To mark the occasion, Weekend Editionasked All Songs Considered hosts Robin Hilton and Bob Boilen where they were when they heard Dark Side for the first time. Hear the full version of this story by clicking the audio link on this page."