What musician is associated with spacegrass music?

The musician most commonly associated with spacegrass music is Keller Williams. Known for his eclectic style, Williams blends elements of bluegrass, funk, and electronic music, creating a unique sound that often incorporates improvisation. His live performances frequently feature looping and layering, contributing to the spacegrass vibe. Other artists in the genre may include bands like The String Cheese Incident and Yonder Mountain String Band, who also explore similar musical territories.