Very interesting section added, after I found an article by JB in Etude, November 1951. Once you are on your way, artistic abstractions become merged with time schedules and possible emergencies. You can't count on practising. Your pianistic equipment must be in such condition that you can play without practising. The average tour covers about three concerts a week, in different towns, some near each other, some not. You move by train, by bus, by car, by plane. If all goes we