Ryan Freeland | Stampede Origin | Culver City, CA

(Ray LaMontagne, Bonnie Raitt, Aimee Mann, The Barr Brothers, Joe Henry)

Greg Calbi | Sterling Sound | Edgewater, NJ

(The War On Drugs, Kacy Musgraves, Arcade Fire, Bob Dylan, The Beatles)

Jeff Lipton & Maria Rice | Peerless Mastering | Boston, MA

(Bon Iver, Arcade Fire, Andrew Bird, Spoon, Josh Ritter, Jeff Tweety/Wilco )

Kim Rosen | Knack Mastering | Ringwood, NJ

(Bonnie Raitt, The Milk Carton Kids, Aimee Mann, Bettye LaVette, Wynonna)