Who should I contact when I need technical support for GVIDO product? GVIDO MUSIC Customer Support September 02, 2022 03:43 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? How to modify the PDF page size/DPI: Adding scores What color and resolution should I select when scanning/saving scores?