The title is "Exit Music" and, according to Rankin, this is the last Rebus.
Well, interesting isn't the word for this. First, having recently been back to Edinburgh, it was easier to read and figure out where things were in this book. Second, like Reginald Hill in "Death Comes for the Fat Man", I think Rankin's hedging his bets a bit at the end. Third, if this is the end, I'll be upset because it's difficult enough to find quality mysteries without the authors quitting on me!
Highly recommended, but don't read this first if you've never read a Rebus mystery before.