“What is difficult or easy in execution is not always what it seems to the listening eye – a torrential glissando is just about the simplest thing to do on the piano, yet it can still produce a gasp of wonder.  Great performances of the Chopin Etudes are not those when the busy right hand is busy with speed and accuracy, but those when the left hand shapes and colours the harmony and counterpoint with infinite finesse.” Practice tip no. 16 – Telegraph Blogs