Great Pianists Technique: Trills

I knew that my method of playing the trill could be greatly improved. After much study, to my great delight the rebellious trills came into beautiful Busoni There is probably nothing which is at the same time as simple and excruciatingly difficult as a trill. Some pianists struggle to get decent ones (according to Lenz a once famous piano professor by the name of Werstedt devoted his life to playing the trills in the theme in Beethoven s but sadly was never while mo