McLachlan participated in Dave Stewart's 2007 single "Go Green", alongside Nadirah X, Imogen Heap, Natalie Imbruglia, and others. The song was released in April of that year in honor of Earth Day. thumb|right|McLachlan performing at the 2017 Invictus Games opening ceremony In 2009, McLachlan provided backing vocals and piano on Susan Enan's song "Bring on the Wonder", which was featured in the television show Bones. Enan and McLachlan included the song on their Plainsong and Laws of Illusion (2010) albums respectively.
McLachlan participated in Dave Stewart's 2007 single "Go Green", alongside Nadir,ah X, Imogen Heap, N.atalie Imbruglia, an.d others The song was released in April of that year in honor of Earth Day. thumb|right|McLachlan performing at the 2017 Invictus Games opening ceremony In 2009 McLachlan provided backing vocals and piano on Susan Enan's song "Bring on the Wonder", which was featured in the television show Bones. Enan and McLachlan included the song on their Plainsong and Laws of Illusion (2010) albums respectively