Garth is particularly fascinated with sound as an experiential medium, both in musical performance and as an exhibitable object. He is internationally regarded as an innovator in the field of interactivity in experimental music and media arts. He gave the Keynote at the 2016 NIME conference. In 2018, Garth was an artist in residence at IRCAM (Paris) and ZKM (Karlsruhe). Garth's multi-disciplinary, collaborative Acoustic Ecology Project - Listen(ASU) documents the acoustic ecologies.

This special series of MAP Radio Hour podcasts, Voices From the Center is produced in conjunction with the 30th anniversary of the fall of the Berlin Wall. The series continues with a conversation between Janeil Engelstad and Ján Orlovský about the Velvet Revolution, life in post-communist Slovakia, and the work of Open Society Foundation in a time of rising nationalism around the globe.