SquareZ
There was an old clerk of Columbus
Who wearied of totalling numbus,
    So he moved to East Lansing
    And spent his time dancing
Maxixes, merengues, and rhumbus.
--Col. G. L. Sicherman
Calling Ideas for March 6, 2012

The Second week of March is:

National Procrastination Week
Why do anything today that you can put off until tomorrow?

So if you're not prepared for the dance this week, you have a perfect excuse...

If you're willing to do ethnic stereotyping, you could do "Manana"

March is:

Optimism Month
Encourage and inspire each other to be optimistic about the future of square dancing.

Here are some songs that come to mind: