xen18-keenan-just-blackjack

7-limit just-ification of Blackjack

Open in Scale Workshop Scala analysis Download scl

Properties

Notes	21
Period	1200.0 ¢
Just	7-limit
Source	Xenharmonikon 18
Reference	Dave Keenan, Optimising JI guitar designs using linear microtemperaments, Xenharmonikon 18 (2006), p.145
Author	Dave Keenan
Article	2 scales

Tone	Tone (¢)	Step	Step (¢)
21/20	84	21/20	84
15/14	119	50/49	35
9/8	204	21/20	84
8/7	231	64/63	27
6/5	316	21/20	84
128/105	343	64/63	27
5/4	386	525/512	43
21/16	471	21/20	84
4/3	498	64/63	27
7/5	583	21/20	84
10/7	617	50/49	35
3/2	702	21/20	84
32/21	729	64/63	27
8/5	814	21/20	84
105/64	857	525/512	43
12/7	933	256/245	76
7/4	969	49/48	36
64/35	1045	256/245	76
15/8	1088	525/512	43
63/32	1173	21/20	84
2/1	1200	64/63	27

Similar scales

File	Notes	Rotation	Max diff (¢)
blackjack_r	21	0	4.5
blackjack	21	15	7.1
blackjack_tuning_30510_30510	21	0	7.1
xen18-keenan-blackjack-guitar	21	9	7.1
xen18-erlich-miracle-21	21	15	7.3
blackjb	21	13	7.3
blaj	21	15	10.4

Parent scales

File	Notes	Max diff (¢)
rational_canasta	31	6.9
rational_canasta_tuning_22793_23190	31	6.9
xen18-erlich-miracle-31	31	7.3
qx2	31	8.1
qx1	31	8.1
woz31	31	8.4
tenn41a	41	4.5
keenan5_269	31	9.5
31edo-top	31	10.1
keenan5_tuning_7341_7341	31	10.3

Child scales

File	Notes	Max diff (¢)
cpak12	12	0.0
cv5	12	0.0
hen12	12	0.0
lumma_wauchope-major	8	0.0
mavchrome4	7	0.0
mavchrome5	7	0.0
xen09-chalmers-tritriadic-14-16-21	7	0.0
xen09-chalmers-tritriadic-16-21-24	7	0.0
xen15-chalmers-triadic-diamond-8-7	7	0.0
LIMITofSEVEN	6	0.0

Raw file

! xen18-keenan-just-blackjack.scl
!
7-limit just-ification of Blackjack
 21
!
 21/20
 15/14
 9/8
 8/7
 6/5
 128/105
 5/4
 21/16
 4/3
 7/5
 10/7
 3/2
 32/21
 8/5
 105/64
 12/7
 7/4
 64/35
 15/8
 63/32
 2/1
!
! Dave Keenan
! Optimising JI guitar designs using linear microtemperaments
! Xenharmonikon 18 (2006), p.145
!
! [info]
! source = Xenharmonikon
! whole_number = 18