Here is a short video compilation from the ceremony.
Irish bagpipes played during the unveiling.  
Exactly 100 years ago, during a 1910 interview with Tim Murnane, O'Rourke stated that: 
"Baseball is for all creeds and nationalities".  
This quote is prominently displayed on the statue's base.
Check out this 3 minute video:
http://vimeo.com/14538420