I came across a website (one of hundreds) advertising a product called PROPROACH authored by Dave Longo. Just wondering if anyone here has used it and if so, what is your opinion ?

I have also posted this in the Adult Beginners forum but have not received much of a response. I thought this might be a better forum.

Everything sounds so good on that site it is hard to believe that no-one here has used it.
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Don

My current system: Kawai ES7 + Focal CMS40 Powered Monitors, SennHeiser HD555 Phones, Focusrite Scarlett 2i2 audio interface, Mackie ProFX8 Mixer, Ravenscroft275, True Keys American Grand, Ivory II American Concert D, Steinway Basic, Galaxy Vintage D, True Pianos, Pianoteq, Alicia's Keys