[citation needed][2] In her work, she has used the human voice, violin/viola, water, ancient Tibetan singing bowls, cell phones, music boxes, glockenspiel, guitar, walkie talkies, metronomes, shortwave radios, kitchenware, found sounds, and electronics.

[4][5] Yoon's wide-ranging musical skills have yielded a diverse collection of collaborators across many genres and disciplines which include: As a composer, notable spatial-acoustic works with unusual architecture include stereophonic sound mural "Doppler Dreams" for seven sopranos on bicycles in Brooklyn's 55,000 sq ft (5,100 m2), empty McCarren Pool for the site-specific dance piece Agora II, and created and performed the multi-speaker live sound score for the aerial dance piece Rapture, reverberated off the dynamic curves of Frank Gehry's Fisher Center (Bard College) as part of a collaboration with award-winning choreographer Noémie Lafrance.

[6] Choral commission "Semaphore Conductus" created for the Young People's Chorus of New York City is inspired by the conduction of energy, signals, and the evolution of communication devices (conch, gramophone, megaphone, cell phones) over the centuries.

The staged multimedia work, directed by Glynis Rigsby, reflects Buddhist philosophies of cycles and orbits as well as issues of identity Yoon’s Korean heritage.

Featururing immersive video design by Adam Larsen, 'Sunken Cathedral' premiered the world stage to critical acclaim, and was presented by the Prototype Festival and LaMama Experimental Theater Club, and co-produced by HERE Art Center and Beth Morrison Projects.