[2] Decker operates at the intersection of music composition, visual arts, and performance, utilizing both physical and electronic media to explore natural and artificial environments.

His work merges physical techniques from sculpture with environmental sound and music performance.

[4] He has frequently collaborated with artists Jan-Erik Andersson in Turku, Finland, and Anne Wilson in Chicago.

This electro-acoustic sound installation utilized over 400 separate loudspeakers within a large-scale kinetic sculpture.

[11][12] Decker collaborated with Mordine Dance Theatre on the performance Truth Spin, where dancers used light sensors to manipulate sound.