All of his music is still protected by the copyright laws,
so free would be illegal.
it makes no difference who transcribed, only the copyright owner can share it or give it away.
same thing as walking into a music store and stealing it.
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In this case, your being cheap, if you act on it, will also have you being a criminal, thieving from George Winston. Mr. Winston does not compose and play piano on the weekends as a hobby, for fun.