The DIY solution mentioned by several above is best; heed their recommendations for paper quality, choice, weight, etc.
If you can't do that, the score sheet in your example is that old Judy Green paper everyone used to buy from her tiny little shop on Cahuenga. She's deceased now, but you can still buy the paper:
____________________
EDIT: I should add that if you have your own printed, and if you design it to have a left margin that is wider than the right margin, make sure they understand that you DO NOT WANT IT TO BE CENTERED. It happened to me
twice, at different printers in different states despite my clear and unmistakable instructions, which is why I just bought my own large format printer so I can do my own as needs be.