SquareZ
When someone blunders, we say that he makes a misstep. Is it then not clear that All the ills of mankind, all the tragic misfortunes that fill our history books, all the political blunders, all the failures of the great leaders have arisen merely from a lack of skill in dancing.
--Moliere
Calling Ideas for June 18, 2012

June is:

National Accordian Awareness Month
National Accordion Awareness Month was established in 1989 to promote the accordion, help spread the word about the resurgence in popularity in the accordion and to educate people about the accordion. Here's some info.

I'm sure there are bunches of (old) square dance records that feature the accordian. I tend to associate MacGregor with accordian arrangements.