If you're in the market for a digital piano, these terms will definitely come up – what's the difference between weighted keys, semi-weighted keys, hammer action & graded hammer action? And which are more desirable? Ruth takes a moment away from replying to Jonny to discuss.

Are you in the market for a new piano? Make sure you check out the linked articles below for more information!

If you're in the market for a digital piano, these terms will definitely come up - what's the difference and which one is more desirable? Ruth takes a moment...