Below is an "A Major Scale" written in TAB, [Bold] is the root note.
|--------------------------------------------12-14-16-[17]-
|-----------------------------------12-14-15---------------
|------------------------11-13-[14]------------------------
|---------------11-12-14-----------------------------------
|-------[12]-14--------------------------------------------
|-12-14----------------------------------------------------
-16-14-12----------------------------------------------------|
----------15-14-12-------------------------------------------|
-------------------[14]-13-11--------------------------------|
------------------------------14-12-11-----------------------|
---------------------------------------14-[12]----------[12]-|
-----------------------------------------------14-12-14------|
The audio is in the key of an "A Major Scale" starting from the 12th.