ADT Test Automatic double tracking Delay 75ms
http://snd.sc/gEev0M
ADT Test Automatic double tracking Delay 50ms
http://snd.sc/gYnHUw
ADT Test double tracking - sample manual Double Tracking
http://snd.sc/gO7X1a
John Lennon Double Tracking - A Day In The Life
http://snd.sc/fIDfq2
