His taste runs to English trad (-ish) and that genre, judging from the stuff he knows he likes.

Zackly.

On Dave & Toni Arthur, I'd heard "Hearken to the Witches' Rune" & found it a bit pretentious, but the earlier stuff sounds interesting. On the list it goes.

Toni Arthur (nee Wilson) has remarried and is now Toni Arthur-Hay, incidentally. Presumably she didn't revert to her maiden name to avoid confusion.