Who should I contact when I need technical support for GVIDO product? GVIDO MUSIC Customer Support March 30, 2021 21:09 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? Adding scores What is the Support Center's operating hours? How to modify the PDF page size/DPI: How many notes can be stored on the screen?