Two works for solo instrumentalists by Baltimore composer Ian Power, both written in 1984: "mahrem bir eser | a private work" using microtonal harmonics and electronic noise, performed by cellist Mariel Robers and recorded in 2016 at Brandeis Univeristy; and "swathe" using overtone and microtone performed by clarinetist Gleb Kanasevich and recorded in NYC in 2019.