..having freshly passed the test, I'll chime in.. It sounds like you're aurally tuning and testing yourself against the machine..that's how I did it. Don't try to beat the machine..just watch for your 'tendencies'..my tendency was to be too far on the high side in the 5th and 6th octaves..since I have learned to temper that tendency, my tunings have improved quite a bit. In the 7th octave, you will be required to tune 2:1 octaves..which, to my ear, tend to sound a tad flat, but that's what the test requires..it's fair. Outside of the temperament going towards the bass, listen to how your 6ths progress along with your 3rds..I use to just listen to the 5ths, and if they were clean, I went on..wrong..a good tuning will have progressing 3rds and 6ths getting slower as you head down..once you get down to the single strings, listen to the inside minor 3rd-6th test..this will help you down there. I recommend listening to your tests BEFORE you look at what the machine is telling you..you won't have the machine with you during the test and you need to _know_ that what you're doing is correct and WHY it's correct..IF you're tuning aurally, and it sounds like that's what you're doing. good luck, roo(k) PS - you need dead silence on your unisons..I scored in the 90's on the unisons, but I was amazed that the testers knew which ones to 'look at'..humbling.
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