I figure there must be plenty of parents here with kids taking music lessons. What are your thoughts regarding reasonable amounts of practice time per week? What has your experience been with transitioning to longer private lessons, from 30 minute lessons to 45 or to 60 minute lessons? Is there a big difference between 45 minute versus 60 minute lessons, sufficient to warrant the additional costs? Is it unreasonable to expect an hour of practice a day (5 or 6 times a week) once the student transitions to 60 minute lessons?