Not a "best of all", but there are plenty to watch with decent info. I thought the videos by Bob Gatzen were informative. There's also plenty of good articles like this one.is there a video out there that been decided upon collectively to be the best?
No, but there is the Tune-Bot. They are helpful when a drum head isn't tuning up easily, or when you need a specific note/tone.Is there an app to help listen and tune?
No, but some drummers do it for specific bands and/or music.am i suppose to have specific notes on each drum?
There are many proper ways to tune a drum. The trick is to find one that works for you.there is no proper tune?