Piano Technique: Repeated Notes

Fast repeated notes are arguably the hardest things to physically execute on a piano. The reason: the keys have to come back up before they can go back down again. This takes time.

So, do you need to change your fingers on repeated notes or not? Part of the answer is this: Unless you have a compelling reason to change fingers, it’s perfectly rational and musical to simply re-use the same finger. In other words, changing fingers is not a rule. There are, however, at least two compelling reasons to consider changing fingers: