I played a lot of Hanon as a teenager, and I confess that I never read the instructions. It does appear to get results in terms of strengthening your fingers an

I played a lot of Hanon as a teenager, and I confess that I never read the instructions. It does appear to get results in terms of strengthening your fingers and getting you used to specific patterns of movement. A couple of piano teachers suggested reading stuff while doing Hanon, and apparently Liszt was known to do that.