I'm just beginning the wonderful adventure of Rachmaninoff's prelude in G minor. By way of background - I stopped playing for 25 years, took it up again over the summer and took my Grade 8 before Christmas. I feel that musically I have come on hugely since I gave up as a teen. However, technical aspects have likely suffered from so long a gap. I have small hands, but so does my teacher who assures me this shouldn't make a difference when tackling large pieces. I'd love some pointers on how to keep a relaxed wrist and forearm while tackling this very involved piece. By the middle of section A I am already feeling stress in my left arm and wrist. I clearly need to address this.....any advice much appreciated.
https://pianoscience.blogspot.co.uk/2012/05/introduction-to-three-core-posts-on.html