Marc Andre Hamelin does.He says it enables him to learn more new scores in less time.Best,Ramihttps://www.youtube.com/user/barnivhttps://ramisrhapsody.tripod.com/
the only pieces he uses it for are the more modern pieces. He doesn't for Alkan and romantic or classical music. THe only pieces I know he used the scores for are:People unitedyedidia 3rd sonataany roslavetssorabji (i think)I bet he used scores for his ornstein too. Email the Sorabji archive. they will tell you.Tom
Poor Koji (inside-joke)