It's probably not the one you had, as it was released in 1995, but there's a very nice CD on Dorian by Julian Gray & Ronald Pearl called "Baroque Inventions." (Music of Scarlatti, Bach & Handel). It would fit your bill, I think - it's on Dorian.

Also on Dorian, not baroque but somewhat folk, is a CD called "Chords & Thyme" by Ed Flower, English folksong arrangements, mostly duets with Joel Brown, which I also like a lot. (I've seen this one on eBay a few times).