The Black Pearl, for string trio, was commissioned by Ensemble Perpetuo in 2019, and was premiered at St Magnus Festival in Orkney. It was recorded on their album Reels, Drones and Jigs - https://open.spotify.com/album/3erQT4HxtffEXMAvjMDc3M?si=6Ux01pfPQgm7zJKC5M8vqg

The PDF download contains the full score and parts.