believe it or not, its not that accurate because of the imperfect tuning ratios of even tempered scale. i think checking 4ths and 5ths of adjacent strings is re

believe it or not, its not that accurate because of the imperfect tuning ratios of even tempered scale. i think checking 4ths and 5ths of adjacent strings is really the way to go, since those are the ones that sound really bad when out of tune. if you really want to get in to the weeds of tuning on a guitar, martin taylor touches on some more of the complexities here: https://m.youtube.com/watch?v=Dl3mcHixAKM https://m.youtube.com/watch?v=Dl3mcHixAKM