The intra-band intrigue of 1977’s Rumours   only escalated for Fleetwood Mac on the double-album follow-up, Tusk, two years later. The musical evidence is presented here In the Studio  to the court of public opinion by witnesses Stevie Nicks, Mick Fleetwood, and Big Mac prodigal Lindsey Buckingham for part two of Tusk‘s  fortieth anniversary the week of September 30. –Redbeard