Here's a few quick tips for navigating through the over 700 sounds on the KORG EK-50U! On the main panel there are some part control buttons! What you're gonna want to focus on are the top row where you can customize what your triggering on the main keyboard! If you want to adjust what is on each layer, just simply hold "Shift" and hit any given layer! Now you have access to the over 700 sounds, OR if you select catagory, you can jump through different catagories within those 700 sounds Adjust y