In so far as the figures there are representative, that suggests that $200 would be the right ballpark for getting a choral work performed. That sounds more plausible to me than a couple of bucks, though I wouldn’t be surprised if you could get the price down somewhat from there.
It seems like something like airgigs.com seems to be the answer. It has musicians available down into the 50 dollars range.
In so far as the figures there are representative, that suggests that $200 would be the right ballpark for getting a choral work performed. That sounds more plausible to me than a couple of bucks, though I wouldn’t be surprised if you could get the price down somewhat from there.