Proto: Canon
Add the following text to some rule or another:
Canon is a player switch tracked by the Conductor. The possible
values of Canon are the set of all finite-length sequences of
pitches. The default value is the empty sequence. A player CAN
flip eir Canon by announcement.
At the beginning of each month, the Key of each player with a
non-empty Canon is flipped to the first pitch of eir Canon, and
eir Canon is then flipped to the sequence obtained by rotating
the first pitch of eir Canon to the end.
-root
