EBBA is short for "European Border Breaker Awards" and rewards artists who were successful in breaking European borders with their music this year (August 2009/August 2010).
Online voting for the "The EBBA Public choice" is from December 4 to January 1... and it happens here:
http://www.europeanborderbreakersawards.eu/
source: http://www.thebaseballs.com/news/2010-11-30/win-of-an-2011-ebba-award-vote-for-the-baseballs
