For most students it is the difficulty of home practice.
Many students and parents dread home practice because it takestoo much work. We simply do not have the time to practice with repetition or to drill those tough parts in the lesson. This is true of most piano studios and music schools in the U.S; there is just so much to do in 30 minutes.
So what's the solution?
Introducing the Piano Lab Program
This program has been shown to dramatically improve a student’s sightreading skills, which is the #1 skill that students need to learn music quickly. It includes proven practice techniques so home practice is all about review and increasing speed, which will make practicing less tedious and more fun!