I have been gathering information on 2013 events for "outdoor
mechanical music" instruments -- carousel organs, crank organs,
street pianos, etc.  At this point I have found the following:

15-17 March 2013 -- COAA Winter Meeting -- Bradenton/Sarasota, Florida.
This is basically a "members only" event, but there will be public
crank organ demonstrations at the "Heritage Days Open House" at the
Manatee Village Historical Park in Bradenton on Saturday and at the
John & Mable Ringling Museum of Art around the Circus Museum on Sunday.

27-28 April 2013 -- COAA Rally -- Dutch Village, Holland, Michigan.

25-27 May 2013 -- COAA Rally -- Lake Winnepesaukah Amusement Park,
Rossville (Chattanooga), Georgia.  General park information:
  http://lakewinnie.weebly.com/ 

27-28 July 2013 -- COAA Rally -- Germanfest, Milwaukee, Wisconsin.
General festival information: http://www.germanfest.com/ 

26-27 July 2013 -- MBSI Mid-America Chapt. 38th Annual Band Organ Rally,
Lake County Historical Site, Painesville, Ohio.  This may be a members
only event:  http://www.mbsi.org/events/special_events2.pdf?890913756 

2-4 August 2013 -- DeBence Antique Music World Organ Grinders Rally,
Franklin, Pennsylvania.  (Small hand-cranked instruments only.)
http://www.DeBenceMusicWorld/ 

10-11 August 2013 -- COAA Rally -- Illinois Railway Museum, Union,
Illinois.

20-22 Sept. 2013 -- COAA Rally -- Festa Italiana, St Paul, Minnesota.
General festival information: http://www.festaitalianamn.com/ 

28-29 Sept. 2013 -- COAA Rally -- Oktoberfest, St Charles, Missouri.
General festival information: http://www.saintcharlesoktoberfest.com/ 

1-2 Nov. 2013 -- COAA Rally -- Soule Steamfest, Meridian, Mississippi.

Details on COAA events may be found via links on the COAA public web
site http://coaa.us/  These pages will be updated throughout the season.
Registration materials are available online.  If you need a hard copy
of individual rally documentation, please contact the appropriate host;
they will mail you the rally information and registration materials.
COAA allows non-members to register for rallies.

I could not find any listings for AMICA band organ or crank organ
events on either their national or Chapter web pages.  If you know of
other events, please post the information.

Wallace Venable