Who should I contact when I need technical support for GVIDO product? GVIDO MUSIC Customer Support September 28, 2021 23:01 Updated Please reference our Product Support FAQ. If this does not solve your issue, please contact our GVIDO Customer Support. Related articles It doesn't operate properly. What should I do? What is the Support Center's operating hours? Adding scores How to modify the PDF page size/DPI: What color and resolution should I select when scanning/saving scores?