Henric & Sven performed live @ Psof.ry event Purple Night 2015 and was backing up vocalists Doogie White (MSG, ex Rainbow), Jari Tiura and Kimmo Blom.

More info:
http://www.psof.fi/2015/purplenight2015newsletter.pdf
http://smokeonthewater-fin.blogspot.fi/2015/06/psof-purple-night-2015-tavastia.html