Length of practice

The length of a practice session is entirely subjective, depending on age, grade, ability and time available. Even considering these factors, it is still hard to give a definite amount. It would be ideal if in every practice session some noticable progress is made, but if this takes a large amount of time then concentration could be lost easily. A focused session of half an hour is ultimately more productive than 2 hours of unfocused, rushed practice. However, some rough times can be given based on general ability level: