What instruments were used in the song Bonny Portmore by Loreena McKennitt?

In Loreena McKennitt's rendition of "Bonny Portmore," the primary instruments used include the harp, which she plays herself, and the piano, contributing to the song's ethereal quality. Additionally, strings, particularly the cello, enhance the emotional depth of the arrangement. The combination of these instruments creates a rich, atmospheric sound that complements the haunting lyrics.