6th String = Bass (wound) E
1st String = High (plain) E

6th	5th	4th	3rd	2nd	1st
D	G	D	G	B	D

HOW TO TUNE
6th - string down to D
5th - string down to G
4th - string as normal
3rd - string as normal
2nd - string as normal
1st - string down to D

OPEN D

6th	5th	4th	3rd	2nd	1st
D	A	D	F#	A	D

HOW TO TUNE
6th - string down to D
5th - string as normal
4th - string as normal
3rd - string down to F#
2nd - string down to A
1st - string down to D

OPEN E

6th	5th	4th	3rd	2nd	1st
E	B	E	G#	B	E

HOW TO TUNE
6th - as normal
5th - up to B
4th - up to E
3rd - up to G#
2nd - as normal
1st - as normal

OPEN C

6th	5th	4th	3rd	2nd	1st
C	G	C	G	C	E

HOW TO TUNE
6th - down to C
5th - down to G
4th - down to C
3rd - as normal
2nd - up to C
1st - as normal

 

CROSSNOTE TUNINGS

OPEN D

6th	5th	4th	3rd	2nd	1st
D	A	D	F	A	D

HOW TO TUNE
6th - string down to D
5th - string as normal
4th - string as normal
3rd - string down to F
2nd - string down to A
1st - string down to D

OPEN E

6th	5th	4th	3rd	2nd	1st
E	B	E	G	B	E

HOW TO TUNE
6th - as normal
5th - up to B
4th - up to E
3rd - as normal
2nd - as normal
1st - as normal

MODAL TUNINGS

G MODAL ("sawmill")

6th	5th	4th	3rd	2nd	1st
D	G	D	G	C	D

HOW TO TUNE
6th - down to D
5th - down to G
4th - as normal
3rd - as normal
2nd - up to C
1st - string down to D

D MODAL

6th	5th	4th	3rd	2nd	1st
D	A	D	F	A	D

HOW TO TUNE
6th - string down to D
5th - string as normal
4th - string as normal
3rd - string down to F
2nd - string down to A
1st - string down to D

DROPPED TUNINGS

DROPPED D

6th	5th	4th	3rd	2nd	1st
D	A	D	G	B	E

HOW TO TUNE
6th - string down to D
5th, 4th, 3rd, 2nd, 1st as normal
Lower the 6th string so that it's an octave below open 4th string or so that it's the same as 6th string fretted at 7th fret

DROPPED D variation

6th	5th	4th	3rd	2nd	1st
D	A	D	G	A	E

HOW TO TUNE
6th - down to D
5th - as normal
4th - as normal
3rd - as normal
2nd - down to A
1st - as normal

DOUBLE DROPPED D

6th	5th	4th	3rd	2nd	1st
D	A	D	G	B	D

HOW TO TUNE
6th - down to D
5th - as normal
4th - as normal
3rd - as normal
2nd - as normal
1st - down to D