In the vain hope that anyone reading this blog is in the L.A. area:
The Independent Shakespeare Company usually does (obviously) Shakespeare, but they decided to branch out and make a period murder mystery tragicomic musical ... as you do. Unsurprisingly, they bring just as much talent, charm, expertise, and pure entertainment to this as they do to their annual summer Shakespeare festival in Griffith Park.
Details on the historical story on which it is very faithfully based can be found on Wikipedia.