I would advise my young colleagues, the composers of symphonies, to drop in sometimes at the kindergarten, too. It is there that it is decided whether there will be anybody to understand their works in twenty years' time.
Real art is one of the most powerful forces in the rise of mankind, and he who renders it accessible to as many people as possible is a benefactor of humanity.
To teach a child an instrument without first giving him preparatory training and without developing singing, reading and dictating to the highest level along with the playing is to build upon sand.