This from the DEFA site litings for "Regular Events":

PORTLAND International: Every Friday at the Center for Cultural Exchange, One Longfellow Square. Different ethnicity each week! Info>761-1545.

Let me know when th' IRISH (or Scots for that matter) roll around!

Sacred Harp Singing: 2nd Sunday, Woodford's Congregational Church, Portland, 1:30-4 pm. Info> 775-1486.

Now this looks like fun! Anybody know if these things are still up and running these days?