Thank you! Yes. It,s special tuning. A summay of the text from my youtube video:
Draw hole 3 is adjusted,(pitch lowered one semi tone). Draw hole 6 is adjusted (pitch raised one semi tone).
It´s no special theory behind that tuning other than I find it easier to "play with myself" and also to play songs like this one and also rock classics like for example Smoke on the water.
The main riff with this special tuning is played:
1-2 draw 3-4 draw 1 and 4 octave blow 3-4 draw, slide fast to: 1-2 draw
It could also be played on a harp with regular tuning,? but I can´t play this very good with a regular harp:
1-2 draw 3-4 draw bend (this is difficult for me) 1 and 4 octave blow 3-4 draw bend, slide fast to: 1-2 draw
Shure Green Bullet 520DX microphone connected into Electro-Harmonix POG2 connected into vocals processor Digitech Vocal 300 connected into Boss recording studio.
Electro-Harmonix POG2 Polyphonic Octave Generator: No octaves used, only DRY and ATTACK.