It is a wonderful performance in everybregard, but no one is ?the greatest." All who are capable of playing at this wish a level have something unique and noteworthy to offer. The subtle differences fund among fine performing artists is part of what makes listening such a joy. With truly great music such s this there is no end to the depths ne might plumb. There is always something fresh and new to be found in the music with each interpretation.But I agree this s certainly one of the finest renditions available. The SOUND these two produce is a perfect blend of sublime feminine delicacy and warm masculine assertiveness -- perfect for Beethoven.