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I'll try to send you info each week or each month, and I encourage you to nag me if I forget, but here's a way to generate default announcements.
Look at http://www.mit.edu.ezproxyberklee.flo.org/~tech-squares/schedules/rounds-sched.html for the schedule of what rhythm goes with what month. So Foxtrot for December, Waltz for January.
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