I can't remember how I found Pentangle, but it was back in high school. Of course, like everything else, they're on Youtube. They are an odd and fuzzy bunch. But Jacqui has a voice that seems to know no bounds at all, the bass is extraordinary, and they manage to infuse an old-time English sensibility with some remarkable jazz jamming. I used to listen to these songs by the hour.
Cruel sister (with John Renbourne on guitar)
Hunting song - 13th century - listen to the round at the end
People on the highway
Train song - Rockin blues
Will the circle be unbroken - best version ever