Fall Gathering The Fall Gathering is held each fall in Great Falls, MT. The event’s format has changed a bit each year, but always includes a piping workshop, concert, and after concert ceilidh. The exact date of the Fall Gathering varies year to year based on member and instructor schedules but typically falls sometime between September and November. Please check back next summer for details on the 2018 Fall Gathering. Tom Campbell on the stage during the concert.