It's not that I'm much into Bach on piano, but I think Schäfer's interpretation is the closest one gets to a piano recording in the Dutch no-nonsense...
I have Studer/Larmore (of course!) and apart from the cuts in the Sutherland/Horne, the men are quite weakly cast, whereas you get Ramey and Lopardo...
Both singers have surpassingly beautiful voices and both sing the aria very well. Rethberg's singin is wonderfully poised and beautifully phrased and...