On 23 February 2018, Mary Lattimore was a guest on Kaitlyn Aurelia-Smith. Mary Lattimore has been played on NTS over 200 times, featured on 203 episodes and was first played on 24 December 2013.

Mary Lattimore is a harpist living in Los Angeles. She experiments with her Lyon and Healy Concert Grand harp and effects. Her solo debut, The Withdrawing Room, was released in 2013 on Desire Path Recordings. Her most recent album, Goodbye, Hotel Arkada, was released in October 2023 on Ghostly International.

She has collaborated with musicians such as Jeff Zeigler, Chris Forsyth, Maxwell August Croy, Elysse Thebner, Meg Baird and Cody Yantis.