Keeping this in view, what tuning does a7x use?
Tuning. He mostly uses the Drop D tuning for his guitars (D-A-D-G-B-e). It fit’s well with the key he plays in, mostly in D minor. In the album Avenged Sevenfold (2007) he uses some different type of tunings, like Drop C# (C#-G#-C#-F#-A#-d#) in some songs (Almost Easy, Scream).
Herein, what tuning is almost easy in? The song features a drop C# tuning and the metal guitar riffs include some great use of trills and double stops.
Correspondingly, what tuning is Hail to the King in?
E5, G5, D5, A5, C5, B5 and D5 chords. Drop D tuning.