Ilona Oltuski, founder of getclassical.org, recreated the magic of the 19th century salon concerts in a somewhat updated version the other night at the elegant India House. Monday's performance featured three multi-talented world-class performers - pianist and visual artist, Roman Rabinovich whose paintings adorned the stage, pianist and composer, Michael Brown and cellist and film maker, Nick Canellakis. It is very rare that one experiences a collaborative effort where