similar events:

may18, wien/Austria:
piano festival 1 + 1 = 13,5 ...
may19, wien/Austria:
piano festival 1 + 1 = 13,5 ...
may20, wien/Austria:
piano festival 1 + 1 = 13,5 ...
fri. sep. 23 2016 weisses haus wien/Austria

paraflows festival
20-21h: rheuma 3000
21-22h: chesterfield (castello/stangl)

link: http://www.paraflows.at/index.php?id=684 , http://castello.klingt.org/projects/chesterfield-with-burkhard-stangl