Today\u2019s question was sent by Matt, and he writes that his challenge is with registration flow and marking: \u201cHow to use pistons and stops, to flow through pieces and mark them well in the score.\u201d So as I understand, Ausra, this is a question about practicing registration changes and basically how you mark registration changes! Oh! That\u2019s very simple.\n\nSecrets of Organ Playing: http://www.organduo.lt