Rock is headed towards a demographic crisis. Fifty percent of last year's top 100 grossing acts are over 50 years old. So what will happen to the live music industry when Mick Jagger is no longer filling stadiums charging hundreds of dollars per ticket? On this episode of Musonomics, Larry Miller talks to Neil Shah from The Wall Street Journal and Cherie Hu from Forbes about the future of the live music industry and rock's demographic crisis.