Yes, more RAM in your laptop or computer can help your music production by allowing you to load more things. Some virtual instruments and effects are memory heavy and so when you start layering things and loading up several instances, it can stress the system. Having more RAM helps you load more and more instruments without running into playback issues. You can pass with 8 GB of RAM but 16 GB of RAM is becoming the baseline. 32 GB of RAM is better, of course.