BOB LEFSETZ is a music industry analyst and critic.  His blog, "The Lefsetz Letter," has hundreds of thousands of subscribers.  Topics include the state of major record labels, decimated CD sales in the wake of iTunes and streaming services like Spotify, and personal reflections on songs, songwriters, bands, and key industry personnel.  Prior to starting his successful blog, Lefsetz was a consultant to major record labels, and is a highly sought-after speaker at music conferences across the country.  He was also the head of Sanctuary Music's American division.