#1
What type of harmonization do they use? Major 3rd? Minor 3rd?
~Looking for Drummer near Hartland, WI~

Jackson RR3 Rhoads Crimson Swirl
Epiphone Les Paul Studio
Line 6 Floor Pod Plus
Line 6 Spider III
#2
Both. It's harmonising a scale, so you get both major an minor third harmonies, like if you were building a chord progression for the scale

assuming you mean suffocating under words of sorrow by BMFV. If not, no idea
ProTone Pedals: Attack Overdrive
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#3
yes i meant that song. how can i apply this method to a riff of mine?
~Looking for Drummer near Hartland, WI~

Jackson RR3 Rhoads Crimson Swirl
Epiphone Les Paul Studio
Line 6 Floor Pod Plus
Line 6 Spider III
#5
This is not the place to ask. Please read the rules so you can figure out what the S+L forum is for. Thanks.