vamp anthem quartal chords

	E	C#m
bb,eb,ab	b5	6th	1
eb,ab,c#	7th	2nd	2
ab,c#,f#	3rd	5th	3
c#,f#,b	6th	1	4
f#,b,e	2nd	4th	5

The Nasties

	E maj	C#m	#
b,e,a	5th	b7	6
e,a,d	1	b3	7
a,d,g	4th	b6	8
d,g,c	b7	b2	9
g,c,f	b3	b5	10
c,f,bb	b6	7	11

so for minor and major building quartals off the 2 and six is safest. if minor 1,4,5 and if major 3, b5,7.