Dan- Check at a local health food store. The one I get is by Walnut Acres. It's an organic pasta sauce. The label says low sodium, fat free, tomato and basil pasta sauce. I just add a little bit of mortons lite salt to it and it is premo yummy.
Serving size is 1/2 c., 40 cal., 20 mg sodium, 9 carbs, 7 g sugar and 2 g protein.
Website is - walnutacres.com and it's made in Boulder, CO- You could pick up a couple cases when you go to your Rush concert.