If you don’t practice for one day, you know it, if you don’t practice for two days, the master knows it, and if you don’t practice for three days, a layman can hear it.
Getting started with any instrument requires continuous, systematic practice. Dulcimer requires a lot of flexibility and flexibility of the wrist. If you don't practice it continuously, it will be difficult to really learn dulcimer well.
Dulcimer is a very regular musical instrument. The performance of all music comes from the basic skills. Basically good or bad determines the level of music performance.
Usually, the daily practice time of basic skills takes up one-third of the entire practice time. In addition, the etudes are one-third of each piece. So it usually doesn't feel too boring. If you practice the basic skills for more than one third of the time, you can ask the teacher to perform the etude and music at the same time.
There is no exact time period as to how long it takes to practice dulcimer well. Only by practicing uninterruptedly will the performance level be improved.