liner notes of The Gradual Progression. Technical Composed, arranged, and recorded by Greg Fox in six days at Figure 8 Recording in Brooklyn Mixed and engineered by Eli Crews Mastered by Bob Weston at Chicago Mastering Service Artwork by Tauba Auerbach Musicians Drums and percussion by Fox Vocals on "The Gradual Progression" by Curtis Santiago Nylon guitar on "The Gradual Progression" and "By Virtue of Emptiness" by Michael Beharie Tenor saxophone on "Earth Center Possessing Stream" and "Catching An L" by Maria Kim Grand Upright bass on "By Virtue of Epmtiness" by Justin Frye Release history References 2017 albums Electroacoustic music albums Sound art albums Avant-garde jazz albums Ambient albums by American artists Funk albums by American artists New-age albums by American artists