Add a Groups sub-rule to Instrumentation:

Instruments belong to Groups, as follows:

* Woodwinds: Flute, Piccolo, Oboe, Cor anglais, Clarinet, Bass clarinet, Bassoons, Contrabassoon
* Brass: Horn, Trumpet, Trombone, Bass trombone, Tuba
* Percussion: Timpano, Snare drum, Bass drum, Celesta
* Strings: Harp, Violins, Violas, Cello, Double bass, Piano, Lute
* Weird: Any Instrument not listed above.

Add a Grouping sub-rule to Dictator:

At any time, the Conductor may Make a Post adding or removing any number of Instruments to or from any Group listed in the Instrumentation rule, and edit the Ruleset to reflect those changes.