0:00 Running through the power of the Go APE Aural Piano Tuning System

1:16 Beat Speed Windows

11:30 Pianos with different inharmonicity and hence different windows.

23:01 Double String Unison

31:14 Non-Speaking Length Tension Analysis

33:15 Putting it all together

34:52 Robert’s testimony

38:49 Weinreich Drift

44:39 Robert’s experience with Weinreich Drift.

45:03 Wrapping up, and talking about Weinreich again

47:52 Robert talks about his experience with the self-correcting feature of Beat Speed Windows

48:30 Back to the benefits of Go APE

50:04 Robert talks of the predictability of the method and the power of the unisons