He taught many other musicians. And,he appeared on television programs and wrote books to help people especially children -- learn about music.
VOA: special.2009.08.02
Copyright defenders, including the British recorded music industry body BPI, have argued that illegal copies of films, booksandmusic made available on file-sharing sites destroy creative industry jobs and discourage investment in new talent.
There was no shortage of warning before the internet and electronic devices came for books, having already done a number on the musicand film industries before it.