Here's a cello library with samples of the metal-loving cellist who played on a few Dead Raven Choir, Wolfmangler and Kojące Zające tracks, and even did backing vocals on "Ich bin die fesche Lola". Recorded and edited this with a friend a few months ago, did SFZ mappings which run in Sforzando and other free samplers, and we convinced bigcat instruments (home to tons of free samples) to make a Kontakt version with built-in distortion and other effects, for even more metal. I'm really proud of this one.
Quite droney demo by Ludwik Zamenhof, who was involved in the recording and editing:https://soundcloud.com/karoryfersamples ... er-lecolds
And if this does well, we'll try to talk the rest of her string quartet into recording samples also. Not sure how metal the rest of them are, but as a quartet they do play AC/DC.