Experiments in Stereo
Alan Blumein experimented and succeeded in recording two-tracks of sound to create a sound-scape, or stereo sound by utilizing both a single groove’s alternate walls to record both signals. Stereo-sound is far more accurate in rendering a recording ‘believable’ since mono recordings record sound as uni-directional, which in most experiences it never is.
"The Man Who Invented Stereo." Motherboard. April 1, 2015. Accessed December 3, 2015. http://motherboard.vice.com/read/the-man-who-invented-stereo.