Sunday Keys for MainStage 2020: Using Two Keyboards at Once in Sunday Keys November 23, 2021 21:45 In this article you'll learn how to use two keyboards with Sunday Keys for MainStage 2020. Be sure to check out all the video tutorials over on the Sunday Keys for MainStage 2020 Resource Article! Related articles Sunday Keys for MainStage 2021 Resource Page Videos Sunday Keys for MainStage 2020: Using Any Other MainStage Patch in Sunday Keys Sunday Keys for MainStage 2020 Resource Page Videos Sunday Keys for MainStage 2021: Connect Your Keyboard Adding other patches to Sunday Keys